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If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is:
(1) 2
(2) 8
(3 )4
( 4)16
Ans: 8
transition elements form coloured compound. Why?
Saturated and unsaturated hydrocarbons The compounds of carbon and hydrogen in which carbon atoms are linked to each other by single covalent bonds(C-C) are known as alkanes. T
Physical Properties of Oxalic Acid (a) Oxalic Acid is a colourless crystalline solid. It contains two molecules of water as water of crystallisation. (b) The hydrated form h
hno3 reactio
plz explain the magnetic anisotropic effect in acetylene and ethylene?
Cycloalkene - Hydrocarbon Carbocyclic compounds along with double bonds in the ring are known as cycloalkenes. Few common cycloalkenes are Cycloalkenes can be simply ac
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Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
A student wishes to prepare 250ml of a 0.20mol/L solution of oxalic acid (COOH)2.2H2O. a) Calculate the amount (no.of moles) of oxalic acid required. b) Calculate the mass of oxali
Q. Explain Molarity and Replacement Reactions? Ans. Frequently in the chemistry lab we are confronted with situations where we are interested in the yield of a certain rea
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