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Calcium carbonate is a CHEMICAL compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone, which is a type of sedimentary rock CONSISTING mainly of calcite) and is the main component of pearls and the shells of marine organisms, snails, and EGGS. Calcium carbonate is the active ingredient in agricultural lime and is CREATED when calcium ions in hard water react with carbonate ions to create limescale. It is medicinally used as a calcium supplement or as an antacid, but excessive consumption can be hazardous and cause POOR digestion.NamesIUPAC nameCalcium carbonate.hope this helps you.pls mark as brainliest.

e the properties of a Bose Einstein Condensate? The most OBVIOUS property of a BEC is that a large fraction of its particles occupy the same, NAMELY the LOWEST, energy state. In atomic condensates this can be confirmed by measuring the VELOCITY distribution of the ATOMS in the gas.Here’s your answerPls mark me as brainlist

ference between a physical reaction and a CHEMICAL reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or SIMPLE display of a SAMPLE of matter WITHOUT a change in composition.

please mark BRAIN LIST EXPLANATION:it will form NACL

yes meri tho ☺️ w MAIN with an unaltered the end r reader you have registered e regards rob is the help the rest request send KAR diya ha ka re aaiktoExplanation:hi all Livestream videos belonging to the help DESK to do the same to you soon love YE ❤️

ain:Why [Cr(en)3]3+ is coloured using Crystal Field ENERGY diagram.Explaination:Crystal Field Energy Diagram refers to arrangement of ELECTRONS in divided d orbital in OCTAHEDRAL complex.Cr in +3 oxidation state :So , it has 3 electrons in the d orbital.Now , since Ethelyne-diamine is a weak ligant, they electrons would not form PAIRS, instead they will arrange singly along the t²g part of divided d orbital.Refer to the attached diagram:We can see that 3 electrons are arranged singly along the t²g and hence its paramagnetic character SHALL allow colour production .[Hence this complex is coloured]

Copper ELECTRICAL wires are SAFER to use than wires MADE of most other conductive METALS because they are resistant to heat. As you can see, copper is the PREFERRED metal for electrical wires for several reasons. It has high electrical conductive; it's inexpensive; it's ductile; and it's thermal resistant.

benzene: C6H6= CHglucose:C6H12O6= CH2Oacetylene:C2H2= CHacetic acid: CH3COOH= C2H4O2= CH2O

pls MARK brainliest Explanation:Question 1. Which of the FOLLOWING are matter? Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume. Answer: Chair, air, almonds, and cold-drink. Question 2. Give reasons for the following observation: The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close. Answer: The smell of hot sizzling food reaches severed meters away, as the particles of hot food have more kinetic energy and HENCE the rate of diffusion is more than the particles of cold food.Question 3. A DIVER is able to cut through water in a swimming pool. Which property of matter does this observation SHOW? Answer: A diver is able to cut through water in a swimming pool. This shows that the particles of water have intermolecular space and has less force of attraction.Question 4. What are the characteristics of the particles of matter? Answer. The characteristics of the particles of matter are: (1) Particles have intermolecular space. (2) Particles have intermolecular force. (3) Particles of matter are moving continuously.

Osmotic pressure happens when TWO solutions with different CONCENTRATIONS are separated by a membrane. Osmotic pressure causes water to move into the solution with the highest CONCENTRATION. The EQUATION for osmotic pressure is pi=iMRT.Explanation:

a) YELLOW is ANSWEREXPLANATION:PLEASE MARK it as BRAINLIEST

s that FOLLOWING REACTION????

HERE IS YOUR ANSWER ..LIGANDS that cause a transition metal to have a small CRYSTAL FIELD splitting, which leads to high spin, are called weak-field ligands. Ligands that PRODUCE a large crystal field splitting, which leads to LOW spin, are called strong field ligands.Explanation:HOPE IT HELPS..☺

​The angular momentum (mvr) of ELECTRON in nth orbit is equal to nh2πnh2π For the electron in 5th orbit angular momentum =mvr =5h2π5h2π =2.5hπ Explanation:Plzz MARK my ANSWER as brainliest.

Here is your ANSWER mateExplanation:In WORD equations, we use words to show what happens using words in a chemical reaction. In chemical equation, we use chemical SYMBOLS to show what happens in a chemical reaction.Hope it helps......

An optical disc is an electronic data storage MEDIUM that can be written to and read from using a low-powered laser beam. There are three main types of optical media: CD, DVD, and Blu-ray disc. CDs can store up to 700 megabytes (MB) of data, and DVDs can store up to 8.4 GB of data. Blu-ray DISCS, which are the newest TYPE of optical media, can store up to 50 GB of data.Explanation:

The intermolecular attraction of gas molecules are very weak. This means that one molecule of gaseous substance can easily WANDER away from the other. Also since GASES have HIGHER kinetic energy than liquids and solids, the molecules MOVE with a very high speed and fill up all the space they are left in.Explanation:

Mark me as BRAINLIESTPLSSSS...!!!Explanation:Andhra Pradesh education minister Adimulapu SURESH on Friday, June 12 declared the AP Inter Results 2020. This year, the pass percentage of AP inter first year stood at 59% while 63% 2nd year students cleared the AP intermediate exam. All the students WAITING for AP Inter results are advised to use their Inter Hall-Ticket No. and Date of Birth handy for viewing of their grades on BIEAP website - bie.ap.gov.in. The Board of Intermediate Education Andhra Pradesh (BIEAP) had conducted the AP Inter first year and SECOND year board exams in the month of March 2020. This year, the Inter exams in Andhra Pradesh started on March 4 and concluded on March 21 for over 10 lakh students from across the STATE.

We can write the structure of BUTANE (C4H10) by stringing FOUR carbon atoms in a ROW, –C–C–C–C– and then adding enough hydrogen atoms to give each carbon atom four BONDS: The compound butane has this structure, but there is another way to put 4 carbon atoms and 10 hydrogen atoms together. Place 3 of the carbon atoms in a row and then branch the fourth one off the middle carbon atom:Now we add enough hydrogen atoms to give each carbon four bonds. Explanation:

The rule of calculation for oxidation numberthe oxidation number is always + 2 for ALKALINE earth metal.the oxidation number -1 for halogen as halide.the oxidation number is -2 for Sulphur sulphide.the oxidation number is always - 1 for fluorine.oxidation number is -2 for Oxygen and -1 for PEROXIDE and -1/2 for superoxide.oxidation number is + 1 Alkali metal.The SUM of oxidation number of all atoms in a COMPOUND is equal to zero.

NH^3Explanation:Here it is FORMING TRIPLE BOND sp^3 HYBRIDIZATION.

mark me brainliest and follow meSince her mother KEEPS a fast, the stomach will be empty and the HCl acid present in the stomach, which has no FOOD in it, starts to corrode the walls of MUCUS in the stomach, which CAUSES pain in the stomachThe antacid neutralises the acid present in the stomach, giving relief

e here is ur answerThe STABILITY of coordination compounds in SOLUTION MEANS the degree of association between the metal ION and the ligands involved in the state of equilibrium. Quantitatively, the stability is expressed by the equilibrium constant for the association.hope it HELPS youMark my answers as brainlistthanks!

40g of element will COMBINE with 60G of oxygen. Therefore, 1g of element will combine with 64/40 or 1.5g of oxygen. Thus, the weights of oxygen that combines with 1g of the element in the two oxides are in the ratio of 1:1.5 or 2:3, which is a simple ratio. This illustrates the law of MULTIPLE proportions.Explanation:Please mark this as brainiest....only if you want to tho, IM not COMPELLING

tion:2PB3O4 ( s) = 6PBO( S) + O2

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aren't you that capable to solve this all SORRY but here U can ask only the DOUBT QUESTIONS not question paper

Plasma membrane is made up of a phospho lipid BILAYER ( BASICALLY a 2 lipid layer ) and proteins. It ALSO has glyco lipids and glyco proteins.#gundi..✌✌

tion:As you can see, COPPER is the preferred metal for electrical wires for SEVERAL reasons. It has high electrical CONDUCTIVE; it's inexpensive; it's ductile; and it's thermal resistant. This makes is the universally accepted STANDARD for the manufacturing of electrical wires.hope it helps u.mark it as branlist...follow.me.plz...

A RENEWABLE resource is one that can be used repeatedly and does not RUN out because it is naturally replaced. A renewable resource, ESSENTIALLY, has an endless supply such as SOLAR energy, WIND energy, and geothermal pressure.Hope it helps

tion:Osmotic PRESSURE is DIRECTLY proportional to the CONCENTRATION of solute PARTICLES and is THEREFORE a colligative property.

and Explanation: ELECTRONS, protons, and neutrons are the PARTICLES that MAKE up matter.I tried to answer your question.I HOPE this helped.Please MARK this as the brainliest!

Volume of ACID required to make one litre of 0.1M H_2SO_4H2SO4solution is 5.5 ml.Explanation: Given: H_2SO_4H2SO4 is labelled as 98% by weight means 98 gram of H_2SO_4H2SO4 is dissolved in 100 g of solution.To calculate the moles, we use the equation:Density of solution= 1.80 g/mlNow we have to calculate the volume of solution.Density=\frac{Mass}{Volume}Density=Volume MassVolume=\frac{mass}{Density}=\frac{100g}{1.80g/ml}==55.5mlVolume=Density mass = 1.80g/ml 100g =55.5mlMolarity : It is defined as the number of moles of solute present per liter of the solution.Formula used :Molarity=\frac{N\times 1000}{V_s}Molarity= Vs n×1000where,n= moles of soluteV_sV s = volume of solution in mlMolarity=\frac{1\times 1000}{55.5ml}=18MMolarity= 55.5ml 1×1000 =18MAccording to the neutralization law,M_1V_1=M_2V_2M1V1 =M2V2 18\times V_2= 0.1\times 1000ml18×V2 =0.1×1000ml.....(1L=1000ml)V_2=5.5mlV2 =5.5mlhope it helps plz mark my ANSWER as the brainliestthank you

18K GOLD is 75% gold mixed with 25% of other METALS like copper, silver etc. Usually, studded JEWELRY and other diamond jewelry is made in 18K gold. 18 karat gold piece will have 75% pure gold mixed with other metals.#GUNDI..✌✌

________________________✰Question ✰❍ why does the TEMPERATURE of a substance remain constant during MELTING point or boiling point?._______________________________✰Answer✰➧ The temperature of a substance remain constant at its melting point or boiling point until all the substance melts or boil .This is because the heat supplied is continuously used of in changing the state of substance by overcoming the force of ATTRACTION between the particles . This heat energy is observed in CONVERSATION solid into liquid at melting point at latent heat of fusion and liquid into gaseous state at its boiling point as latent heat of VAPORIZATION and temperature remain constant.

(I) is correctExplanation:in NITRATION of benzene with NITRIC acid and sulphuric acid . both ACIDS acts as catalyst it hepls in the formation of ELECTROPHILE. I.e., nitronium ion

is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure METALLIC form.  Pure sodium metal REACTS violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:Sodium is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure metallic form.  Pure sodium metal reacts violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:2Na(s)  +  2H2O(l)  ——>  2NaOH(aq)  +  H2(g)Sodium is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure metallic form.  Pure sodium metal reacts violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:2Na(s)  +  2H2O(l)  ——>  2NaOH(aq)  +  H2(g)Chlorine is a poisonous, yellow-green gas, with a very sharp odor, and was used in gas warfare during World War I.Sodium is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure metallic form.  Pure sodium metal reacts violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:2Na(s)  +  2H2O(l)  ——>  2NaOH(aq)  +  H2(g)Chlorine is a poisonous, yellow-green gas, with a very sharp odor, and was used in gas warfare during World War I.Sodium and chlorine react with each other, however, to produce a substance that is familiar to almost everyone in the world:  sodium chloride, or table salt:Sodium is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure metallic form.  Pure sodium metal reacts violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:2Na(s)  +  2H2O(l)  ——>  2NaOH(aq)  +  H2(g)Chlorine is a poisonous, yellow-green gas, with a very sharp odor, and was used in gas warfare during World War I.Sodium and chlorine react with each other, however, to produce a substance that is familiar to almost everyone in the world:  sodium chloride, or table salt:2Na(s)  +  Cl2(g)  ——>  2NaCl(s)Sodium is a silver-colored metal which is soft enough to cut with a knife.  It is an extremely reactive metal, and is always found naturally in ionic compounds, not in its pure metallic form.  Pure sodium metal reacts violently (and sometimes explosively) with water, producing sodium hydroxide, hydrogen gas, and heat:2Na(s)  +  2H2O(l)  ——>  2NaOH(aq)  +  H2(g)Chlorine is a poisonous, yellow-green gas, with a very sharp odor, and was used in gas warfare during World War I.Sodium and chlorine react with each other, however, to produce a substance that is familiar to almost everyone in the world:  sodium chloride, or table salt:2Na(s)  +  Cl2(g)  ——>  2NaCl(s)It is easy to see why this reaction takes place so readily when we look at it on an atomic level:  sodium has one electron in its outermost (valence) shell, while chlorine has seven electrons in its valence shell.  When a sodium atom TRANSFERS an electron to a chlorine atom, forming a sodium cation (NA+) and a chloride anion (Cl-), both ions have COMPLETE valence shells, and are energetically more stable.

The Kuomintang (KMT, pinyin romanization: Guomindang[14]), often REFERRED to in English as the Nationalist Party or Chinese Nationalist Party (CNP), is a major political party in TAIWAN, i.e. the Republic of China, based in Taipei. Formed in 1919, the KMT was the SOLE RULING party of the Republic of China from 1928 to 2000 and is currently an opposition political party in the Legislative Yuan.Explanation:HOPE it would help you. And please mark it as brainliest and please follow me.