Question Bank

Which color does blue litmus paper turn in acidic solution?

What is the chemical formula for Ammonia?

What is the sign used to represent a gas being evolved in an equation?

Which reaction requires heat to proceed?

What is the law that states mass is neither created nor destroyed in a chemical reaction?

Which substance is a product of photosynthesis?

What type of reaction is the rusting of iron?

Which of the following is a balanced equation for the formation of water?

What is the chemical name of common salt?

What is the precipitate formed when Silver Nitrate reacts with Sodium Chloride?

Which gas turns lime water milky?

What is the PH of a neutral solution?

In the reaction CuO + H2 -> Cu + H2O, which substance is being reduced?

Which is an example of a chemical change?

What type of reaction releases light and heat?

Which radical has a valency of -1?

What is the formula for Sulphuric Acid?

Which gas has a pungent smell and turns moist red litmus blue?

What kind of reaction is 2Na + Cl2 -> 2NaCl?

What does the symbol (aq) stand for in a chemical equation?