First
second
Third
100

What is the main ingredient in vinegar?

a) citric acid

b) acetic acid

c) sulfuric acid

d) nitric acid 

Acetic acid

100

What do we call the chemical that is the main part of water?

a) H2O

b) CO2

c) O2

d) NaCl

 H2O

100

What is the household item is made of sodium chloride?

a) sugar

b) baking soda

c) salt

d) vinegar

salt

200

Which chemical is often used in swimming pools to keep the water clean and clear?

a)  iodine

b) fluorine

c) chlorine

d) bromine

chlorine

200

Which chemical is present in household gas cylinder to detect the gas leakage?

a) Sulphur

b) methane

c) nitrogen

d) mercaptan

mercaptan

200

Which chemical makes the white clothes brighter?

a) bleaching agent

b) washing soda

c) acetic acid

d) none of these

bleaching agent

300

What is main acid found in lemon juice?

a) acetic acid

b) hydrochloric acid

c) citric acid

d) sulphuric acid 

Citric acid

300

Which gas is responsible for cooling in fridge & Acs?

a) oxygen

b) nitrogen

c) hydrogen

d) carbon dioxide

nitrogen

300

Which gas is present in the CNG?

a) methane

b) ethane

c) hydrogen

d) propane

methane

400

What is the main ingredient in toothpaste that helps prevents cavity?

a) calcium

b) fluoride

c) baking soda

d) salt

fluoride

400

Which gas evolved during fermentation?

a) hydrogen

b) oxygen

c) Sulphur

d) carbon dioxide

carbon dioxide

400

which chemical is found in washing powder or washing soap?

a) sodium carbonate

b) sodium bicarbonate

c) sodium chloride

d) none of these

sodium carbonate

500

What common kitchen ingredient has the chemical formula NaHCO3?

a) table salt

b)  vinegar

c) baking soda

d) sugar

baking soda

500

Which chemical is used as universal solvent?

a) water

b) alcohol

c) ammonia

d) aacetone 

water

500

Which chemical is present in nail polish remover?

a) alcohol

b) water

c) acetone

d) acid

Acetone