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A) +1Explanation:Common oxidation states of gold include +1 (gold(I) or aurous COMPOUNDS) and +3 (gold(III) or AURIC compounds). Gold ions in solution are READILY reduced and precipitated as metal by ADDING any other metal as the reducing agent.

for BREAKING marblesExplanation:

the TASTE of SALT FAMILY is SALTY...

The SUBSTANCE which is used for long-term food preservation or long-term storage is called food preservatives. Ex: SALT, SUGAR, ALCOHOL and vinegar, ETC.

ionicallySodium bromide is an ionically bonded compound. The electronegativity of bromine is high ENOUGH and that the electromagnetic force between the Br and the Na ATOMS is great enough that an electron is transferred from the Na atom to the Br atom. EXPLANATION:plz mark me as a brainliest

desi and subscribe to the newsletter as WELL and read it carefully enough for 6_155 and to get back on track and get the rest in free from a good chance to work on your computer skills to work on the computer system for kids and I know how much of an effort you PUT into it and subscribe Explanation:please find help my support friends help samsung help help providing me 8,3,0,2,7 and subscribe like the online shop for me DJ ADAM and I will give

Real gases do not obey ideal gas equation under all conditions. They nearly obey ideal gas equation at higher TEMPERATURES and very low PRESSURES. However they show deviations from ideality at low temperatures and HIGH pressures. The deviations from ideal gas behaviour can be illustrated as follows: The isotherms OBTAINED by PLOTTING pressure, P against volume, V for real gases do not coincide with that of ideal gas, as shown below.hope it helps you

Cn²+cn=Cn2CExplanation:I HOPE IT WILL HELP YOUPLEASE MARK AS ME BRAINLIEST

1. 85 percent carbon2. gas mask3. 60 percent CARBON4. decolourising agent5. FILLER in RUBBER tyres

When it comes to Chemistry, the periodic table is a FUNDAMENTAL & very important that every science student MUST be aware and memorize very well. Because without knowing the elements, you’re missing out on the foundation REQUIRED to learn the rest of what chemistry has to offer. Its not easy for all to memorize all the elements of periodic table. You must know how to memorize periodic table and its elements. In this blog, we are presenting short trick & tips that will help you to memories all elementsExplanation:PLEASE mark me as brainliest

tion:SULFUROUS Acid is a chemical COMPOUND that is obtained when sulfur dioxide gas is dissolved in water. Its chemical FORMULA is H2SO3. The compound is QUITE unstable and it easily decomposes back into water and sulfur dioxide. It is mainly used as a disinfectant and a reducing agent.

:-The specific heat of a substance is the amount of energy required to RAISE the TEMPERATURE of 1 gram of the substance by 1°C. ... The units for specific heat can either be joules per gram per degree (J/g°C) or calories per gram per degree (cal/g°C). This TEXT will USE J/g°C for specific heat.

tion:When a small piece of sodium is dropped into ethanol, it reacts strongly and PRODUCES bubbles of gas. gas evolved=Hydrogen gas CHEMICAL equation=2CH3 CH2 OH  +Na →2CH 3  CH2 ONa+H2 ↑HOPE THIS WILL HELP YOUPLZ.. MARK ME AS BRAINLIEST

Alkali SALTS are soluble hydroxides of alkali metals and alkaline earth metals, of which common examples are: SODIUM hydroxide (NAOH) – often CALLED "caustic soda" Potassium hydroxide (KOH) – commonly called "caustic potash" Lye – generic term for either of two PREVIOUS salts or their mixture.

Explanation:.answer of organic and chemistry.How ETHYL bromide is CONVERTED to___________

tion:Stronger acids have the capacity to PRODUCE higher CONCENTRATION hydrogen ions and can be completely ionized in an aqueous solution. Weak acid produces a fewer concentration of hydrogen ions. Let us learn the way to compare the pH of strong acid and weak acid of same concentration solution.Aim:To compare the pH of solutions of strong and weak acids of the same concentration – hydrochloric acid (HCl) and ACETIC acid (CH3COOH).Materials Required:0.1M HCl, 0.01M HCl, 0.001M HCl, 0.0001 M HCl, and 0.00001M HCl test tubes, glass rod, and universal indicator.The PROCEDURE of determining the pH using pH paper:-Take 2-3 drops of solutions of the given concentration on pH paper with the help of glass rod.Observe the change in colour of the pH paperMatch the shade of the pH paper with standard pH indicator chart.Note the approximate pH of the sampleThe procedure of determining the pH using universal indicator:Take dry 5 test tubes and fill 5 mL of each solution of various concentration given using measuring cylinder.Drop 2-3 drops of universal indicator in each test tube using a dropper.Note the change in the colour seen in the test tube.Compare the colour of the solution in the test tube with a standard pH indicator chartnote the pH of the solutionPrecautions to be taken during the experiment:Ensure to handle the test tube carefully.Do not add more indicator.Keep the pH paper clean.Compare the colour of the solution in the test tube and pH paper colour exactly with the standard pH indicator chart.Observation

Anthracitehope it HELPS

tion:When molecular HYDROGEN (H2) and oxygen (O2) are combined and allowed to react together, energy is RELEASED and the molecules of hydrogen and oxygen can COMBINE to form either water or hydrogen peroxide. These TWO processes are represented by the two chemical equations shown at right

atomic mass and chemical properties. Explanation:HOPE it HELPS.. if so.. PLEASE don't FORGET to mark as brainliest

the redox reaction taking place during electroplating of choromium are here:- Explanation:An OXIDATION-reduction (redox) reaction is a type of chemical reaction that INVOLVES a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ION changes by gaining or LOSING an ELECTRON.

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400 WORDS essay on NATIONAL UNITY in the language of BIHAR.

Properties of metals:(i) Metals are malleable i,e, they can be beaten into thin SHEETS with a hammer.(ii) Metals are ductile i.e. they can be drawn into thin wires.(III) Metals are GOOD CONDUCTORS and heat and electricity.(IV) Metals are lustrous.

yesExplanation:because molality CALCULATES by MASS, but MOLARITY calculates by litre and depends on temp.Molarity CHANGES with increase in tempmolality is independent of temp

Alissa I am not sure if you have any QUESTIONS or NEED any further information PLEASE SEND me the notes of the TOP of the year again when we have

Electronegativity is a measure of an atom's ability to ATTRACT SHARED electrons to itself. On the periodic table, electronegativity generally increases as you MOVE from left to right ACROSS a period and DECREASES as you move down a group.Explanation:it's my pleasure to help you please mark me as a brainliest.

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he term HYDROCARBONS means organic compounds which CONTAIN only carbon and hydrogen. By USING this definition, four classes of hydrocarbons are INCLUDED: alkanes, alkenes, alkynes and aromatic. SATURATED means that each carbon is bonded to four other atoms through single covalent bonds.

Chlorine has a PROTON number of 17. ... Hence, we can deduce that the forces of attraction exerted on the outermost electron in chloride ion is lesser than chlorine atom, SINCE there are more ELECTRONS. Conclusion, chloride ion has a bigger atomic radius due to an increase in number of electrons.Explanation:hope it helpsMark as brainlist

The CHEMISTRY of the reactionEsters are produced when carboxylic ACIDS are heated with alcohols in the presence of an ACID catalyst. The catalyst is usually concentrated sulphuric acid. Dry hydrogen chloride gas is used in some cases, but these tend to involve aromatic esters (ones containing a benzene RING).

tion:To compare the pH of solutions of strong and weak ACIDS of the same concentration – hydrochloric acid (HCl) and acetic acid (CH3COOH).Materials Required:0.1M HCl, 0.01M HCl, 0.001M HCl, 0.0001 M HCl, and 0.00001M HCl test tubes, glass ROD, and universal indicator.The procedure of determining the pH using pH paper:-Take 2-3 drops of solutions of the given concentration on pH paper with the help of glass rod.Observe the change in colour of the pH paperMatch the shade of the pH paper with standard pH indicator chart.Note the approximate pH of the sampleThe procedure of determining the pH using universal indicator:Take dry 5 test tubes and fill 5 mL of each solution of various concentration given using measuring cylinder.Drop 2-3 drops of universal indicator in each test tube using a dropper.Note the change in the colour seen in the test tube.Compare the colour of the solution in the test tube with a standard pH indicator chartnote the pH of the solutionPrecautions to be taken during the experiment:Ensure to handle the test tube carefully.Do not add more indicator.Keep the pH paper clean.Compare the colour of the solution in the test tube and pH paper colour exactly with the standard pH indicator chart.Observationsample The colour produced on pH paper The colour produced in solution Approximate pH value Comparing the pH of solutions of strong and weak acids-observation0.1M HCl 0.01M HCl 0.001M HCl 0.0001M HCl 0.00001M HCl SWIPE leftViva Voice:What is the effect of dilution on pH?the pH of the acidic solution increases on dilutionthe pH of basic solution decreases on dilutionWhat is the universal indicator?Universal indicator is a mix of several INDICATORS having various pH range. It is USED to highlight the colour range due to change in pH.What is the pH of the acidic solution?Less than 7What is the pH indicator chart?It is a standard chart that displays the resultant colour with corresponding pH value.What is an acid-base indicator?It is an inorganic indicator that indicates the change in colour with the change in pH value. Test your Knowledge on Ph of solutions of strong and weak acids!Quiz ImagePut your understanding of this concept to test by answering a few MCQs. Click ‘Start Quiz’ to begin!

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Calcium HYDROXIDE and hydrogen gas are generated when calcium REACTS with water. This is a single DISPLACEMENT REACTION. The equation is: Ca + 2H2 O...