Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?
(A) methanol
(B) methanol
(C) carbonic acid
(D) methane
Which one of the following alcohol has greater boiling point___________________?
(A) ethanol
(B) ethylene glaycol
(C) glycerol
(D) methanol
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
(A) Charles’ Law
(B) Avogadro’s Law
(C) Graham’s Law
(D) Boyle’s law
Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
(A) Boyle’s law
(B) Charles’ law
(C) Gay-Lussac’s law
(D) Avogadro’s law
Which of the following noble gases is not present in atmosphere?
(A) Argon
(B) Helium
(C) Radon
(D) Xenon
The easy way of balancing the chemical equation is_________?
(A) according to atom’s atomic number.
(B) According to atom’s atomic mass.
(C) First we balance Metal than non-metal than Hydrogen than Oxygen.
(D) None of the above
Which one of the following is also known as lactic acid ?
(A) 3-Hydroxy propanoic acid
(B) 2-Hydroxy propanoic acid
(C) 2-hydroxy butanoic acid
(D) 3-hydroxy butanoic acid
Ethers show functional group isomerism with __________________?
(A) aldehydes
(B) ketones
(C) alcohols
(D) carboxylic acid
Which one of the following compound does not have – OH group___________________?
(A) ethylene glycol
(B) glycerol
(C) picric acid
(D) ethyl acetate