Question : For a spontaneous process

Option 1: ΔG is +ve

Option 2: ΔG is -ve

Option 3: ΔG is equal to zero

Option 4: ΔH is -ve

Question : What is a brine solution?

Option 1: Excess salt + water

Option 2: Silver

Option 3: Excess ethanol + water

Option 4: Excess starch + water

Question : Which of the following water bodies is closest to the Palk Strait?

Option 1: Mahim Creek

Option 2: Gulf of Mannar

Option 3: Gulf of Khambhat

Option 4: Chilika Lake

Question : If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percent salt, the percentage of salt in the remaining solution is:

Option 1: 10.5%

Option 2: 11.5%

Option 3: 12%

Option 4: 13%

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