Chemistry Quiz Set 2

The compound used as 'artificial sweetener' is

The chemical name of 'Marsh gas' is

Wooden pencil used for writing contains

Valency of Cr in CrPO4 is

What mass of hydrogen and oxygen will be produced on complete electrolysis of 18g of water?

Which one among the following statements about an atom is not correct

The nucleus of a singly ionized carbon atom contains

On the basis of following features identify correct option

1.  Gaps were left for undiscovered elements
2.  No correct position of hydrogen
3. The isotopes of same element will be given different position

According to Newland’s law of octaves, which element is the repetition of the first element in the periodic table?

Which one of the following is a diagonally related pair?

Which one of the following salts when dissolved in water makes the solution basic?

Which of the following salts are insoluble in water ?

Two elements gallium and oxygen combine to form a compound Ga2O3. Which among the following is the valency of gallium ?

Which are the most abundant elements in the universe ?

What is the colour of oxygen in solid state ?

Why is nitrogen molecule chemically less active

Identify the enzyme which converts glucose to ethyl alcohol.

Mineral acids are stronger acids than carboxylic acids because A. mineral acids are completely ionised B. carboxylic acids are completely ionised C. mineral acids are partially ionised D. carboxylic acids are partially ionised

Drinking alcohol’ is very harmful and it ruins the health.‘Drinking alcohol’ stands for:

Which fertilizer is assimilated directly by the plant?