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State whether True or False:- All meta...

State whether True or False:-
All metals does not react with acids and produces `H_2` gas.

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JNAN PUBLICATION-MATTER (NATURE OF MATTER)-EXAMPLE
  1. State whether True or False:- Metals are flexible.

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  2. State whether True or False:- Rusting is a physical change.

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  3. State whether True or False:- All metals does not react with acids a...

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  4. State whether True or False:- Merucury is hard substance, so it is a...

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  5. State whether True or False:- Though mercury is liquid, it is a meta...

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  6. State whether True or False:- Graphite is a bad-conductor as it a no...

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  7. State whether True or False:- Cystalline iodine is a non-bright subs...

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  8. Fill in the blanks:- We can susbtances by touching.

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  9. Fill in the blanks:- Nitrogen dioxide is in colour.

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  10. Fill in the blanks:- Some substances undergo chemical changes on hea...

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  11. Fill in the blanks:- Water is a substances.

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  12. Fill in the blanks:- Melting point of ice is .

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  13. Fill in the blanks:- is a volatile substance.

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  14. Fill in the blanks:- If pieces of zinc is immersed in dilute sulphur...

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  15. Fill in the blanks:- metral is used to make cooking utensils.

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  16. Fill in the blanks:- Presence of metalloid pollutes water.

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  17. Fill in the blanks:- In nature element is present in large amount.

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  18. Fill in the blanks:- powder is used in making matchstick.

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  19. Fill in the blanks:- Reaction of iron and CuSO4 produces Ferrous Sul...

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  20. Fill in the blanks:- Bismath is a .

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