Which of the following contains lactic acid
Ant's sting
Unripe grapes
Lemons
Sour milk
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
Which of the following is a strong base
Calcium hydroxide
Sodium hydroxide
Sodium Carbonate
Ammonium hydroxide
The substance which can turn blue litmus to red is
Baking soda
Milk of magnesia
Calamine 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
The discomfort caused by indigestion due to overeating can be cured by taking:
Vinegar
lemon juice
Caustic soda
With which of the following 'Milk of Magnesia' be reacted so as to have a neutralisation reaction
Ammonia solution
Quicklime
The salt which will give an acidic solution on dissolving in water
Sodium sulphate
Ammonium sulphate
Sodium carbonate
Sodium chloride
Which of the following is a mineral acid
Citric acid
Hydrochloric acid
Carbonic acid
Oxalic acid
The dilute solution of which of the following are not harmful to drink
Magnesium hydroxide
Potassium carbonate
Sodium hydrogencarbonate