Question

W. Short Answer Questions 1. Why does the colour of copper sulphate solution change when iron pieces are added to it? 2. Why are sodium and potassium stored under kerosene? 3. What happens when non-metals combine with oxygen? 4. Which non-metal is used as a fuel? What are its other uses? 5. Why are gold and silver metals used for making jewellery? 6. Which metals amongst the following can displace hydrogen from acids? Why? i) Zinc ii) Silver iii) Copper iv) Gold​

Answer 1

Answer:

You're asking such a long question & only 5points?

Explanation:

Answer 2

Answer:

1 .iron + copper sulphate= iron sulphate

6.gold