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प्रश्न
Table salt is acidic.
पर्याय
True
False
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उत्तर
This statement is False.
संबंधित प्रश्न
How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
One of the following is a medicine for indigestion. This is:
Wasp sting contains ______.
The salt which will give an acidic solution on dissolving in water is ______.
Heshna and Keerthi are friends. Keerthi’s teeth are white without caries, but Heshna has teeth with caries. Why? How is it formed?
Which of the following set of substances contain acids?
Fill in the cross word given in figure with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
An acid is ______.
Complete the following equation.
Ca(OH)2 + ______ → ______ + H2O
