The most common chemicals used for cloud seeding are : 1. Silver iodide 2. Potassium iodide 3. Dry ice 4. Sodium Chloride Which of the above options is / are correct?

Which one of the following sodium compounds is used for softening hard water ?

Which one of the following metals is most commonly used for making filament of incandescent electric bulbs?

In dry cell, which of the following are used as electrolytes?

Match List- I with List- II select the correct answer using the codes given below : List-I A. Acetone B. Carbon Tetrachloride C. Hydrogen peroxide D. Liquid ammonia List- II 1. Fire extinguisher 2. N…

What is the chemical composition of a soda-acid type fire extinguisher?