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Pick the correct sentence from the follo...

Pick the correct sentence from the following

A

A mixture has a fixed melting point and boiling point.

B

A compound is formed by the combination of two or more elements in a definite ratio by mass.

C

A mixture is always heterogenous .

D

A mixture is always homogeneous

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The correct Answer is:
B
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BHARATI BHAWAN (ENGLISH)-PRACTICALS -EXERCISE
  1. Which of the following melts at a certain temperature ?

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  2. Which of the following processes is used to separate the components of...

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  3. Pick the correct sentence from the following

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  4. Which of the following statements is valid for a compound ?

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  5. Which of the following statements is correct ?

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  6. A mixture is made of two substance . Carbon disulphide is added to the...

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  7. A small amount of soil mixed with pure water. The process you can appl...

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  8. Which of the following does make a homogeneous mixture ?

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  9. The colour of copper sulphate crystal is

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  10. Which of the following represents the formula of blue vitriol ?

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  11. When a copper plate is dipped into a solution of ferrous sulphate , t...

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  12. In the reaction ,Cu^(2+)+ Fe to Cu+Fe^(2+) the substance that is oxidi...

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  13. The valency of copper in CuSO(4)*5H(2)O is

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  14. When magnesium is burnt in oxygen , the compound formed is

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  15. When magnesium burn in air , another compound is formed along with ma...

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  16. Buring of a magnesium ribbon in air takes place with

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  17. The reaction between zinc and dilute sulphuric acid is a

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  18. The reaction between Zn and dilute H(2)SO(4) may be represented by the...

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  19. In the reaction , Zn+H(2)SO(4) to ZnSO(4) +H(2), zinc acts as

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  20. The metal that does not displace hydrogen from dilute acids is

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