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प्रश्न
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
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उत्तर
Acids are chemicals which are sour in taste and derived from plants and minerals.
संबंधित प्रश्न
Name the technique that you use if only the solid component of a solution is required.
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Select the correct answer from the choice given below.
A group of atoms of elements
Select the correct answer from the choice in the bracket.
The least reactive metal.
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
