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…………..acid present in apples....

…………..acid present in apples.

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Malic acid
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Citric acid, vinegar, curd, lactic acid, lemon, acetic acid. These are some of the food items and the acids present in them. Rearrange the food items with their acids in tabular form.

Walls of stomach secrets acids to make the stomach acidic and for the digestion of food, when the acid is secreted in excess it leads to indigestion, heart burn, (or) gastric ulcers. The chemicals which are used to neutralize the excess acid present in the gastric juice and to raise the pH of stomach upto an appropriate level are called antacids. The acid secreted in stomach?

Walls of stomach secrets acids to make the stomach acidic and for the digestion of food, when the acid is secreted in excess it leads to indigestion, heart burn, (or) gastric ulcers. The chemicals which are used to neutralize the excess acid present in the gastric juice and to raise the pH of stomach upto an appropriate level are called antacids. Antacids does not contains

Walls of stomach secrets acids to make the stomach acidic and for the digestion of food, when the acid is secreted in excess it leads to indigestion, heart burn, (or) gastric ulcers. The chemicals which are used to neutralize the excess acid present in the gastric juice and to raise the pH of stomach upto an appropriate level are called antacids. Which acts as natural antacid ?

You are asked to find out the acids present in the substances? placed in front of you. Write the names of the acids present in them by collecting information from any source available to you. Substances placed in front of you : Apples, Tea, Olive oil and fats.

Name the acid present in vinegar.

SRS PUBLICATION-NATURE OF SUBSTANCES-QUESTION BANK
  1. ONE WORD ANSWER QUESTION Write some examples of alkalis ?

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  2. ONE WORD ANSWER QUESTION What is the physical property of a base ?

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  3. …………..acid present in apples.

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  4. ONE WORD ANSWER QUESTION What are the pH values of acids and bases ?

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  5. What is a neutralization reaction? Give two examples

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  6. ONE WORD ANSWER QUESTION Write different types of indicators.

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  7. What are alkalis ?

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  8. ONE WORD ANSWER QUESTION Name few synthetic acids.

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  9. What is the chemical name of Vitamin-C ?

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  10. Sodium hydroxide solution is used in testing

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  11. Which ga makes a pop sound if exposed to lighted matchstick?

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  12. Write any one of the natural indicators.

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  13. ONE WORD ANSWER QUESTION What is a neutral substance ?

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  14. ONE WORD ANSWER QUESTION What are the main components in the tooth pas...

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  15. ONE WORD ANSWER QUESTION Which chemical is used in batteries ?

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  16. The acid which gives sour taste to pickles is

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  17. YES/NO QUESTION Methyl orange turns blue in acids and green in bases

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  18. YES/NO QUESTION Hydrogen gas puts out the lighting matchstick.

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  19. YES/NO QUESTION When an ant bites, it injects formic acid into the ski...

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  20. YES/NO QUESTION Water pollution is a major cause of acid rains

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