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प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
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उत्तर
Solid-solid homogenous mixture — Alloys of metals e.g. brass, bronze stainless steel etc.
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
Give two examples of Metals.
Indicate whether the following statement is true or false:
Metals can be polished.
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – two coloured gases (with their colours)
Select the correct answer from the choice given below.
An impure substance
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
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 |
