Which of the following contains lactic acid
Ant's sting
Unripe grapes
Lemons
Sour milk
Which one of the following salts will give a basic solution on dissolving in water
Sodium carbonate
Sodium chloride
Sodium Sulphate
Ammonium sulphate
One of the following is not an organic acid. This is :
Acetic acid
Formic acid
Citric acid
Carbonic acid
Which of the following is a strong base
Calcium hydroxide
Sodium hydroxide
Sodium Carbonate
Ammonium hydroxide
The dilute solution of which of the following are not harmful to drink
Magnesium hydroxide
Potassium carbonate
Sodium hydrogencarbonate
When an ant sting a person, it injects a liquid into the skin of the person which contains
Potassium hydroxide
Which of the following does not cause acid rain
Sulphur dioxide
Carbon monoxide
Carbon dioxide
Nitrogen dioxide
Which of the following is a mineral acid
Hydrochloric acid
Oxalic acid
A certain solution does not change the colour of any indicator. This solution is most likely to be
Vinegar solution
Baking soda solution
Common salt solution
Washing soda solution
A yellow stain of turmeric containing curry on a white shirt turns red when soap solution is scrubbed on it. This shows that soap solution is
Basic
Acidic
Neutral
Sour