Question : Which acid makes the atmosphere of Venus have thick white and yellowish clouds?

Option 1: Sulphuric acid

Option 2: Nitric acid

Option 3: Acetic acid

Option 4: Hydrochloric acid

Question : Sour taste of "Coca cola" is due to the presence of

Option 1: Acetic acid

Option 2: Phosphoric acid

Option 3: Hydrochloric acid

Option 4: Formic acid

Question : In what ratio must 25% hydrochloric acid be mixed with 60% hydrochloric acid to get a mixture of 40% hydrochloric acid?

Option 1: 5 : 12

Option 2: 4 : 3

Option 3: 3 : 4

Option 4: 12 : 5

Question : In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in organic synthesis?

Option 1: Nitric acid

Option 2: Formic acid

Option 3: Chloric acid

Option 4: Hydrobromic acid

Question : Which of the following is used as the primary memory of a computer?

Option 1: Optical storage device

Option 2: Magnetic storage device

Option 3: RAM

Option 4: Magnetic-Optical storage device