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प्रश्न
Give two examples of organic acids.
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उत्तर
- Acetic acid (or Ethanoic acid)
- Citric acid
- Lactic acid
- Tartaric acid
- Oxalic acid
- Formic acid (or Methanoic acid)
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संबंधित प्रश्न
What is produced if an acid is added to a base?
The indicator which produces a pink colour in an alkaline solution is ______.
It has been found that rubbing vinegar on the stung area of the skin of a person gives him relief. The person has been stung by ______.
What type of ions are formed?
When a base (or alkali) is dissolved in water.
Define the term ‘basicity’ of an acid.
Give one example in the following case:
A hydrogen containing compound which is not an acid.
Do basic solutions also have H+(aq)? Why are they basic?
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]
State one observation for each of the following :
A small piece of zinc is added to dilute hydrochloric acid
How is an acid prepared from a non metal and a base from a metal? Give equation.
If iron reacts with dilute sulphuric acid, what will be the products?
Choosing the correct words given in brackets, complete the sentence given below:
An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.
What are the 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 | ______ |
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are ______.
State whether the following statement is true or false. Correct the false statement.
All substances are either acidic or basic.
Hydrochloric Acid reacts with metal bicarbonates to give ______.
Complete the following equation.
Zn + ______ → Na2ZnO2 + H2 ↑
Complete the following equation.
Ca(OH)2 + ______ → ______ + H2O
Name the acid present in lemon.
