Class VII

Acetic acid is found in
  1. Curd
  2. Spinach
  3. Vinegar
  4. Citrus fruits
Which of the following is a strong acid?
  1. Acetic acid
  2. Nitric acid
  3. Llactic acid
  4. Citric acid
Which of the following is used in match industry
  1. Sodium bicarbonate
  2. Sodium chloride
  3. Sodium carbonate
  4. Potassium chlorate
The most commonly used natural indicator’ Litmus’ is extracted from
  1. Lichens
  2. Turmeric
  3. Beet Root
  4. China rose
Special type of substances used to test whether a substance is acidic/basic are known as
  1. Indicators
  2. Acids
  3. Bases
  4. Salt
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