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If a few drops of a concentrate acid acc...

If a few drops of a concentrate acid accidently spills over the hand of a student, what should be done?

A

wash the hand with saline solution

B

wash the hand immdeidately with plenty of water and apply a paste of sodium hydrogen carbonate

C

after washing soda with plenty of water apply solution of sodium hydroxie on the hand

D

neutralise the acid with a strong alkali.

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. A sample of soil is mixed with water and allowed to settle. The clear ...

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  2. Which of the following gives the corret increasing order or acidic str...

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  3. If a few drops of a concentrate acid accidently spills over the hand o...

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  4. Sodium hydrogen carbonate when added to acetic acid evolves a gas. Whi...

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  5. Common salt besides being used in kitchen can also be used as the raw ...

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  6. To protect tooth decay we are advised to brush our teeth regularly

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  7. One of the consituent of bakking powder is sodium hydrogen carbonate, ...

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  8. Which of the following statements is correct about an aqeuous solution...

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  9. The pH of the gastric juices released during digestion is

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  10. Which of the following phenomena occur, when a small amount of acid is...

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  11. Which one of the following can be used as an acid base indicator by a ...

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  12. Which of the following substance is brittle?

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  13. Which of the following is acidic in nature?

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  14. In an attempt to demonstarate electrical conductivity through an elect...

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  15. Which of the following is used for dissolution of gold?

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  16. Which of the following is not a mineral acid?

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  17. Which among the following is not a base?

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  18. Which of the following statements is not correct?

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  19. Match the chemical substances given in column with their appropirate a...

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  20. Equal volumes of hydrochlric acid and sodium hydroxide solutions of th...

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