Sodium hydroxide and hydrochloric acid neutralise each other and form salt and water.
True
False
Indicator is a substance which shows different colours in acidic and basic solution.
True
False
Tooth decay is caused by presence of a base.
True
False
Click the correct answer.
Atul was given a colourless solution in a test tube. He put a drop of this solution on blue litmus paper. It remained blue in colour. Which of the following is the colourless solution?
Acidic in nature
Basic in nature
Neutral in nature
Nothing can be said
A solution turns red litmus paper blue. If a drop of phenolphthalein is added to it, which of the following will occur?
It turns pink
It remains colourless
It turns red again
It turns blue
Which of the following statement is true?
Bases are sour in taste
Acids are bitter in taste
Bases are bitter in taste
None of these
Presence of which of the following makes orange juice sour in taste?
Acetic acid
Citric acid
Formic acid
Tartaric acid
Which of the following is added to the soil if it is too basic?
Calamine solution
Milk of magnesia
Organic matter
Tartaric acid
Click each box on the left and then click the matching box on the right.
