Question : White phosphorus is generally kept under

Option 1: alcohol

Option 2: water

Option 3: glycerine

Option 4: kerosene

Question : The chemical name of Gammexane is:

Option 1: Toluene

Option 2: Chloro Benzene

Option 3: Aniline

Option 4: Benzene Hexachloride

Question : In a mixture of 25 litres, the ratio of acid to water is 4 : 1. Another 3 litres of water is added. The ratio of acid to water in the new mixture is:

Option 1: 5 : 2

Option 2: 2 : 5

Option 3: 3 : 5

Option 4: 5 : 3

Question : Which of the following is colourless?

Option 1: Chlorine

Option 2: Oxygen

Option 3: Phosphorus

Option 4: Sulphur

Question : What is a brine solution?

Option 1: Excess salt + water

Option 2: Silver

Option 3: Excess ethanol + water

Option 4: Excess starch + water