The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?

Which one among the following gases readily combines with the haemoglobin of the blood?

Which of the following gases in the atmosphere is/are responsible for acid rains? 1.Oxides of…

Which one among the following metals is used in fireworks to make a brilliant white…

Why hard water does not give lather with soap ?

What is the role of positive catalyst in a chemical reaction?