The acid produced naturally in our stomach is :
Acetic acid
Citric acid
Hydrochloric acid
Sulphuric acid
Which of the following contains lactic acid
Ant's sting
Unripe grapes
Lemons
Sour milk
The substance which can turn blue litmus to red is
Baking soda
Milk of magnesia
Lemon juice
Calamine solution
The dilute solution of which of the following are not harmful to drink
Magnesium hydroxide
Potassium carbonate
Sodium hydrogencarbonate
Sodium carbonate
One of the following is a medicine for indigestion. This is :
Sodium hydroxide
Manganese hydroxide
Potassium 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
Baking soda solution
Vinegar solution
Formic acid solution
Which indicator will produce a pink colour on adding a few drops of sodium hydroxide solution
Blue litmus
Phenolphthalein
Turmeric paper
China rose indicator
Which of the following does not cause acid rain
Sulphur dioxide
Carbon monoxide
Carbon dioxide
Nitrogen dioxide
With which of the following 'Milk of Magnesia' be reacted so as to have a neutralisation reaction
Backing soda
Vinegar
Ammonia solution
Quicklime
Which one of the following salts will give a basic solution on dissolving in water
Sodium chloride
Sodium Sulphate
Ammonium sulphate
