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
Which one of the following salts will give a basic solution on dissolving in water
Sodium carbonate
Sodium chloride
Sodium Sulphate
Ammonium sulphate
Which indicator will produce a pink colour on adding a few drops of sodium hydroxide solution
Blue litmus
Phenolphthalein
Turmeric paper
China rose 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
One of the following is a medicine for indigestion. This is :
Sodium hydroxide
Manganese hydroxide
Magnesium hydroxide
Which of the following is a mineral acid
Citric acid
Hydrochloric acid
Carbonic acid
Oxalic acid
Which of the following does not cause acid rain
Sulphur dioxide
Carbon monoxide
Carbon dioxide
Nitrogen dioxide
The substance which can turn blue litmus to red is
Baking soda
Milk of magnesia
Lemon juice
Calamine solution
The salt which will give an acidic solution on dissolving in water
Sodium sulphate
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
Formic acid solution
