Advertisements
Advertisements
Question
Match the substances in Column I with those in Column II.
Column 1 | Column II | ||
(a) | Tartaric acid | (i) | soap |
(b) | Calcium hydroxide | (ii) | curd |
(c) | Formic acid | (iii) | unripe mangoes |
(d) | Sodium hydroxide | (iv) | ant’s sting |
(e) | Lactic acid | (v) | lime water |
Solution
Column 1 | Column II | ||
(a) | Tartaric acid | (iii) | unripe mangoes |
(b) | Calcium hydroxide | (ii) | curd |
(c) | Formic acid | (iv) | ant’s sting |
(d) | Sodium hydroxide | (i) | soap |
(e) | Lactic acid | (ii) | curd |
APPEARS IN
RELATED QUESTIONS
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
Bee sting contains:
(a) an acidic liquid
(b) a salt solution
(c) an alkaline liquid
(d) an alcohol
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
Define an acid.
Write the balanced equation for the preparation of the following compound (as major product) starting from iron and using only one other substance:
Iron (III) chloride
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases.
(ii) Temperature of the solution increases.
(iii) Temperature of the solution remains the same.
(iv) Salt formation takes place.
Which of the following statements is true for acids?
The Acid secreted in our stomach is ______.
Complete the following equation.
Mg+ ______ → ______ + H2.
A metal 'M' on reacting with dilute acid liberates a gas 'G'. The same metal also liberates gas 'G' when reacts with a base.
- Write the name of gas 'G'.
- How will you test the presence of this gas?
- Write chemical equations for the reactions of the metal with (1) an acid and (2) a base.