Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false. Correct the false statement.
Lemon water is basic in nature.
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Lemon water is acidic in nature.
APPEARS IN
संबंधित प्रश्न
Why do HCl, H2SO4, HNO3, etc., show acid character in aqueous solutions while solutions of compounds like C6H12O6 (glucose) and C2H5OH (alcohol) do not show acidic character?
What happens to temperature of the solution, when an acid is neutralised?
The acid produced naturally in our stomach is:
(a) acetic acid
(b) citric acid
(c) hydrochloric acid
(d) sulphuric acid
Name an acid used in a drink.
Which are the industrial uses of acids?
Fill in the missing data in the following table
| Name of the salt | Formula | Salt obtained from | ||
| Base | Acid | |||
| (i) | Ammonium chloride | NH4Cl | NH4OH | ______ |
| (ii) | Copper sulphate | ______ | ______ | H2SO4 |
| (iii) | Sodium chloride | NaCl | NaOH | ______ |
| (iv) | Magnesium nitrate | Mg(NO3)2 | ______ | HNO3 |
| (v) | Potassium sulphate | K2SO4 | ______ | ______ |
| (vi) |
Calcium nitrate | Ca(NO3)2 | Ca(OH)2 | ______ |
State whether the following statement is true or false. Correct the false statement.
All substances are either acidic or basic.
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 |
Acids have a sour taste and they are soapy to touch.
Complete the following equation.
Ca(OH)2 + ______ → ______ + H2O
