Across
- 3. Fatty foods become rancid due to the process of __
- 5. what type of reaction is represented by digestion in our body
- 8. Oxide of which element is used as major ingredient in cement
- 10. aqueous solution of sodium chloride is known as?
- 12. Equation which doesn't follow the law of conservation of mass
- 13. When Carbon Dioxide passes through lime water it turns lime water?
- 14. plaster of paris changes to ___ on mixing with wate
- 16. hydrogen gas burns with __ sound
- 19. ___agent reduces the other reactant and oxidizes itself
- 20. oxidation of fats and oils which makes the smell and taste bad is known as?
- 22. __ gas is filled in packet of chips to prevent rancidity
Down
- 1. Gas evolved when zinc reacts with dilute HCL
- 2. What does the symbol (aq) represent in a chemical equation
- 4. On heating calcium carbonate turns into calcium __
- 6. we should never change __ of formula
- 7. white silver chloride changes into ___colour when exposed to sunlight
- 9. change in state is ___ reaction
- 11. Respiration is example of _ reaction?
- 15. PH stands for ___in German meaning power
- 17. indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
- 18. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
- 21. ___Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound