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
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
When an ant stings a person, it causes a burning pain. which of the following should be rubbed on the stung area of skin to get relief
Lemon juice
Baking soda solution
Vinegar solution
Formic acid solution
The acid produced naturally in our stomach is :
Citric acid
Hydrochloric acid
Sulphuric acid
The substance which can turn blue litmus to red is
Baking soda
Milk of magnesia
Calamine solution
The salt which will give an acidic solution on dissolving in water
Sodium sulphate
Ammonium sulphate
Sodium carbonate
Sodium chloride
Which of the following contains lactic acid
Ant's sting
Unripe grapes
Lemons
Sour milk
The dilute solution of which of the following are not harmful to drink
Magnesium hydroxide
Potassium carbonate
Sodium hydrogencarbonate
The discomfort caused by indigestion due to overeating can be cured by taking:
Vinegar
lemon juice
Caustic soda
