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Human body contains ....... per cent of ...

Human body contains ....... per cent of oxygen.

A

20

B

35

C

75

D

65

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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
  1. foil used in inner packing of food materials and toffees.

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  2. mixture is used in currency coins.

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  3. Human body contains ....... per cent of oxygen.

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  4. The non-metal present in garlic, eggs, Chair and nails is

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  5. Which metals are used in making jewellery?Why?

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  6. Mention the most important metals and non-metals from the following pr...

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  7. Generally, sonority property of metals is used in the making of

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  8. If you want to make wires with a metal,you must select a metal with

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  9. A current tester has a plastic / rubber handle instead of metal handle...

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  10. The given property is not important in making of jewellery

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  11. Cooking utensils are made with plastic handles because they do not hav...

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  12. Why some metals are used for making cooking vessels?

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  13. Onions contain

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  14. Water purifier contains activated carbon It is used as a

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  15. Ajith observed a thin foil over sweets in a sweet stall. This is made ...

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  16. Aluminium and copper mixture is used in making of

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  17. Which gas is evolved when an acid reacts with metal ?

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  18. Why don’t we use a metallic handle to ari electric tester ?

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  19. Which of the following substance is used in Preparation, of oxygen in ...

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  20. The compound formed when magnesium ribbon is burnt in oxygen is-

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