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tals: NA,kcan be cut with KNIFE cause they are too soft and are EARTH metal

perature REQUIRED by any object to BURN CALLED its IGNITION temp.

here is UR ANSWER OPTIONS C is CORRECT

lorin GAS and Y is calciumoxy CHLORIDE

CNG both are considered as a good source of fuel first of all LPG which is LIQUEFIED petroleum gas is considered an ideal fuel because of the reasons it burns with a blue SMOKELESS film and leaves know as behind it does not cause any POLLUTION and hence it is a clean fuel it has a high calorific value as compared to other common fuels the cost per unit HEAT energy shows that LPG is cheaper than most of the commonly used mestic fuels LPG is easy to handle and can be CONNECTED almost instantaneously PNG is also considered as a good fuel because on burning CNG produces only carbon dioxide and water it does not produce smoke during burning it does not cause any air pollution it is an environment friendly fuel

tionary phase or adsorbent in COLUMN chromatography is a solid. The most common stationary phase for column chromatography is SILICA gel, the next most common being alumina. Cellulose powder has OFTEN been used in the PAST. hope it HELPS if helps plz follow✌️

tion:-When anything solid turns into a gas WITHOUT first becoming liquid, that'ssublimation. When the surface layer of SNOW or ice turns into fog or steam without melting, this is an example ofsublimation.distillation:-Distillation is the process of separating the COMPONENTS or substances from a liquid mixture by USING selective boiling and condensation.chromatography:-the separation of a liquid mixture by passing it through a material through which some parts of the mixture travel further than otherscristalisation:-the separation of a liquid mixture by passing it through a material through which some parts of the mixture travel further than othershope it helps if helps then PLZ follow ✌️

plete the QUESTION

e the correct SYMBOLS of the elements and radicals 2. Above each SYMBOL, write the correct valence or oxidation numbers.3. To OBTAIN the proper subscript, criss-cross the valence or oxidation number,and drop the algebraic sign.Hope u got it All the best

all of the mass in an ATOM is made up from the protons and NEUTRONS in the nucleus with a very small contribution from the ORBITING electrons. Neutrons have no CHARGE and protons are positively charged. Because the nucleus is only made up of protons and neutrons it is positively charged.

obtained is hydrogen and chlorine.Use of HYDROGEN:1 Hydrogenation2 Ethanol3 Hydrochloric acid4 Fuel for rockets.Uses of CHLORINE:1 bleaching powder2 hydrochloric acid3 chloro form4 pvc pipes5 cfc6 CARBON tetra chloride7 paints8 DYE stuffs9 SOLVENTS for dry cleaning10 pesticides11 sterilise drinking WATER supply

+BR= CH2Br__CH2Br__CH2Br

ave had the same NCERT textbook, Structure of the Atom, isn't it?Hydrogen(H)= Number of protons= 1 p⁺                     = Number of electrons= 1 e⁻                     = Number of NEUTRONS= 0 nDeuterium(D)= Number of protons= 1 p⁺                      = Number of electrons= 1 e⁻                      = Number of neutrons= 1 nTritium(T)=  Number of protons= 1 p⁺                = Number of electrons= 1 e⁻                = Number of neutrons= 2 n Deuterium and TRITIUM are isotopes of Hydrogen with the ATOMIC number 1 and MASS numbers 2 and 3 respectively.Mark it as the brainliest!!:)

l-bipyramidal this is are you SATISFIED

MATE ❤️ HERE IS UR ANSWER...PHYSICAL CHARACTERISTICS OF SALTS ARE1. COLOUR / COLOURLESS2.HAVING SOME SMELL3. TASTE.4. CRYSTALLINE IN NATUREHOPE THIS WILL HELP U ❤️STAY BLESSED ❤️ ❤️

the QUESTION. I don't KNOW

from Dehydrohalogenation of Haloalkanes. Alkenes can be obtained from haloalkanes (alkyl halides). These haloalkanes are usually bromo and IODO and LESS commonly, CHLORO derivatives. ... If two alkenes may be FORMED due to dehydrohalogenation of a haloalkane, the one which is most substituted is the MAIN product.

d be the ANSWER

tion is a process by which the body's white blood CELLS and substances they PRODUCE protect us from infection with foreign organisms, such as BACTERIA and viruses.However, in some diseases, like arthritis, the body's defense system -- the immune system -- triggers an inflammatory response when there are no foreign invaders to fight off. In these diseases, CALLED autoimmune diseases, t

E.,,,,,,,,,,,,,,,,,HERE IS UR ANSWER .....HOPE IT WILL HELP U..PLZ MARK MY ANSWER AS BRAINLIEST YRR--: )

ng to doberneir he states that when elements are arranged in the increasing ORDER of in groups of three the middle element's mass was approximate or to MEAN of other two elements. 1) LI =>72) Na => 233) K=> 39 ❤️

ization Reaction. Neutralization is a TYPE of chemical reaction in which a strong acid and strong base react with each other to form water and salt. Heartburn, as well as an acidic stomach due to EATING too much SPICY food, can be RELIEVED by TAKING an antacid.

RE 7 SIGNIFICANT FIGURES IN THIS EXPRESSION.hope it HELPS u❤️❤️

Here is UR answer... ✔✔Disadvantages of Mendeleev Periodic Table.... ‼‼Hope it HELPS U... ✔✔❤❤If u are satisfied with my answer please mark my answer as a brainliest answer... ✔✔❤❤

form of PERIODIC table are:1. ELEMENTS are arranged on the basis of so isotopes are PLACED at ONE place which is justified.2. There is in the placement of any element in the periodic table in Mendeleev's table. 3. The periodicity in the properties of elements is defined by ELECTRONIC configuration. ❤️

ructured set of methods USED to determine the identities of the COMPONENTS that make up a is used to ESTABLISH the presence or ABSENCE of particular elements or inorganic ions or COMPOUNDS in an ❤️

ock elements show VARIABLE OXIDATION states.2) They are GENERALLY PARAMAGNETIC in nature.3) Their compounds are generally coloured. Those which form COMPLEX compounds.4) Most of the elements and their compounds acts as catalyst.❤️

he solublity of GAS in liquid is an EXOTHERMIC PROCESS therefore solublity of gas deçreases on increasing temperature therefore chilled cold  DRINK bootle will have more co2.

ll have equal energy since in single ELECTRON system energy of orbital only depend on PRINCIPLE quantum NUMBER.

e ur answer....-ISOTOPES have the same atomic number, while isobars have the sameatomic mass. Isotopes : Isotopes areatoms that have same atomic numberbut DIFFERENT mass NUMBERS...Isobars are ATOMS that have same atomic mass but different atomic number. They have different atomic numbers because they have different numbers of protons...hope U like it

s in modern periodic table follow periodicity, I. e., the similar properties of ELEMENTS are REPEATED after a FIXED interval, after fixed no. of elements, elements have similar properties. all the elements of same GROUP have similar properties because elements of Same group have same no. of valence ELECTRONS. the properties of elements depend upon their valence electrons. tendency of elements to gain electronsincrease on moving from left to right in a period this is because the number of Valence Electrons increase from left to right in a period the elements with less number of Valence Electrons have more tendency to lose electrons than to gain them to attain stability

umHope It s HELPS U..

uction of METAL oxide to form a metal by using aluminium POWDER as a reducing AGENT is CALLED a THERMITE reaction Fe2O3+2Al...........2Fe+Al2O3+heat

e there is your answerrusting of iron , electro chemical cell, nuclear power, RADIO activity and MANY i hope its help you MISS anjali

MATE HERE IS UR ANSWER...CELLULOSE IS MICROMOLECULESHOPE THIS WILL HELP YOU ❤️ ❤️STAY BLESSED ❤️ ❤️

zation=1/2[V+X-C+A}  V=no. of VALENCE ELECTRON of central atomX= no. of "H'' ATOM or halogen atom bonded to central atomc=CHARGE on cation A= charge on anion

Physical properties: Pure acetic acid is a colorless liquid with an INTENSE, caustic PUNGENT odor. Its density is 1.05 g/mL, and the BOILING POINT is 118 °C. It has a DISTINCTIVE sour taste and is highly miscible in water.PLS MARK ME AS BRAINLIEST

take ordinary gas and liquid at ordinary temperature the MOLECULES of the liquid are basically in the close proximity to other molecules they are basically touching on all side gas Orissa about 10 × their content from other molecules (on average) in East if the three CARDINAL direction( L- R -U - D - I - O ) this makes for a situation that a gas take up and volume ROUGHLY thousand times larger than molecules causes (10 × 10 × 10 )

answer is baking POWDER may it HELPED you thank you BYE good night SWEET DREAMS

ntestinal self-harm SPEC