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प्रश्न
Classify the following solutions as acids, bases or salts.
Ammonium hydroxide, barium chloride, sodium chloride, sodium hydroxide, H2SO4 and HNO3
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उत्तर
Acids: H2SO4 and HNO3
Bases: Ammonium hydroxide and sodium hydroxide.
Salts: Barium chloride and sodium chloride.
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संबंधित प्रश्न
Define the term ‘basicity’ of an acid.
Name an acid used in a drink.
Which are the industrial uses of acids?
Name the positive ion formed When an acid is dissolved in water.
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 | ______ |
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed
Which of the following is an acid-base indicator?
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 |
Citric acid is present in ______.
Complete the following equation.
H+ + H2O → ______.
