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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement:
Copper is not a part of the alloy
पर्याय
brass
bronze
steel
duralumin
उत्तर
steel
APPEARS IN
संबंधित प्रश्न
List the points of differences between homogeneous and heterogeneous mixtures with examples.
Name the process you would use to separate ammonium chloride from a mixture of sodium chloride and ammonium chloride.
Define the following:
Heterogeneous mixture
Give two examples of the following type of mixture.
liquid-gas
Match the statements in List I with the correct answer in List II.
| List I | List II |
| 1. Purification of water by adding alum | A: Sublimation |
| 2. Seawater leaving behind common salt | B: Sieving |
| 3. Separation of camphor and potassium chloride | C: Filtration |
| 4. Separation of charcoal from a charcoal-water mixture | D: Sedimentation |
| 5. Separation of bran and wheat flour | E: Evaporation |
State whether the following statement is true or false. If false write – the correct statement.
Components in a mixture are present in a definite proportion.
Give the characters a mixture.
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two volatile components with appreciable differences in boiling points.
When elements are physically mixed they form ______.
