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Assertion (A) : Pickles and sour substan...

Assertion (A) : Pickles and sour substances are not stored in brass and copper vessels.
Reason: Acids reacts with metals.
A) 'A' and 'R' are correct. R is a correct reason for A.
B) 'A' and 'R' are correct. R is not a correct reason for A.
C) 'A' is correct, but 'R' is wrong.
D) 'A' is wrong, but 'R' is correct.

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VGS PUBLICATION-BRILLIANT-ACIDS, BASES AND SALTS -Section-1
  1. If a solution of a substance changed red litmus paper into blue, guess...

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  2. Give example for use of olfactory indicator in your daily life.

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  3. Assertion (A) : Pickles and sour substances are not stored in brass an...

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

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  5. a) All acids give hydrogen gas with metals. · b) All bases give hydr...

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  6. Which apparatus is required to test hydrogen gas?

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  7. What happens. when a burning candle bring near to the hydrogen gas ?

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  8. Write two required substances to ·get hydrogen gas in your lab ?

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  9. Write the products to the given reaction. Metal+Acid

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  10. Which salt is formed when NaOH reacts with Zn ?

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  11. Which gas is released when acids react with carbonates-?

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  12. Which substance do you use to test CO2 gas?

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  13. Which of the following gives CO2 as a product? A) Na2CO3+HCl to ...

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  14. Name the given reaction. Base+AcidtoSalt+Water

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  15. What type of reaction takes place in stomach when· an antacid tablet i...

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  16. What type of reactio':1 takes ptace when metal oxide reacts with acid ...

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  17. What is the nature of metal oxides ?

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  18. What is the nature of non - metal oxide ?

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  19. If you add copper oxide to HCl solution in a beaker, how does colour o...

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  20. a) All non - metal oxides are basic in nature. b) All metal ozicles ...

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