Question

11. Arrange in a sequence from more reactive to less reactive among - Ln, Fe and c
12. Where is iron found in our body?
13. Name one thing, used in temples which shows the sonorous property of metals.
14. Name two metals which can be cut by knife.
15. Name two non-metals which are used for making handles of cooking utensils
16. Which property of metals shows the silver foil?
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Answer 1

(11) C ,Fe,Ln

(12) in blood

(13) temple bell

(14) sodium and potassium

(15) wood and plastic

(16) silver and aluminium

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