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प्रश्न
Main constituent of acid is ______.
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उत्तर
Main constituent of acid is H+ ion.
संबंधित प्रश्न
Which gas is usually liberated when an acid reacts with a metal?
What are organic acids and mineral acids?
Bee stings can be treated with:
(a) vinegar
(b) sodium hydrogencarbonate
(c) potassium hydroxide
(d) lemon juice
Water is never added to acid in order to dilute it why?
Out of HCl and CH3COOH, which one is a weak acid and why? Describe an activity to support your answer.
The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?
Give the name and formula of two : Non-volatile acids
Zn + 2 HCl → ZnCl2 +_____↑
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 | ______ |
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.
