When an ant sting a person, it injects a liquid into the skin of the person which contains
Acetic acid
Calcium hydroxide
Formic acid
Potassium hydroxide
Which of the following is a strong base
Sodium hydroxide
Sodium Carbonate
Ammonium hydroxide
The indicator which give red or pink colour on adding a basic solution are
China rose indicator
Turmeric paper indicator
Phenolphthalein indicator
Blue litmus indicator
The substance which can turn blue litmus to red is
Baking soda
Milk of magnesia
Lemon juice
Calamine solution
The discomfort caused by indigestion due to overeating can be cured by taking:
Vinegar
lemon juice
Caustic soda
Which indicator will produce a pink colour on adding a few drops of sodium hydroxide solution
Blue litmus
Phenolphthalein
Turmeric paper
The acid produced naturally in our stomach is :
Citric acid
Hydrochloric acid
Sulphuric 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
The salt which will give an acidic solution on dissolving in water
Sodium sulphate
Ammonium sulphate
Sodium carbonate
Sodium chloride
The dilute solution of which of the following are not harmful to drink
Magnesium hydroxide
Potassium carbonate
Sodium hydrogencarbonate