Science Questions

Which of the following represents a decomposition reaction?

What is the product of the reaction between Hydrogen and Oxygen?

What gas is evolved when Magnesium reacts with dilute Hydrochloric acid?

Which reaction is also known as a double decomposition reaction?

What is the common name for the reaction between an acid and a base?

Which of the following is an exothermic reaction?

What substance increases the rate of a chemical reaction without being consumed?

Which gas is produced when Calcium Carbonate is heated?

In a displacement reaction, which metal can displace Copper from Copper Sulphate solution?

What is the process of losing electrons in a chemical reaction called?

What is the valency of Oxygen?

Which of these is a physical change?

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?