#1. Strong heating of ferrous sulphate leads to the formation of a brown solid and two This reaction can be categorised as ____
#2. Before burning in air, the magnesium ribbon is cleaned by rubbing with a sand to ________.
#3. A substance added to food containing fats and oils is called ____.
#4. In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of ______.
#5. The respiration process during which glucose undergoes slow combustion by combining with oxygen in the cells of our body to produce energy, is a kind of _________
#6. Which of the following gases is used in the storage of fat and oil containing foods for a long time?
#7. Which of the following is not a physical change?
#8. Which one of the following processes involve chemical reactions?
#9. The Compound obtained on reactions of iron with steam is /are _________.
#10. In which of the following the identity of initial substance remains unchanged?
