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In which period of the periodic table, a...

In which period of the periodic table, an element with atomic number 14 is placed ?

A

4

B

3

C

2

D

1

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The correct Answer is:
A
Element with atomic number 14 is silicon, It is placed in period 4.
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ICSE-SAMPLE PAPER 05-QUESTION
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  2. Which process occur in electropositive ion ?

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  7. An example of salt formed by a metal and an acid is

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  8. Which process occur in electropositive ion ?

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  9. Hydrogen chloride molecule contains:

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  10. The gas liberated when Sodium Sulphite reacts with dilute sulphuric ac...

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  11. Choose the correct answer from the options given below : Hydroxide o...

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  12. Vapour density of a gas is 22. What is its molecular mass ?

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  13. the chemical change that occurs at this electrode is called .

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  14. The cathode production of the electrolysis of zinc iodide is :

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  15. The electrolysis of acidified water is an example of:

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  16. The ratio of the mass of a certain volume of gas to the mass of an equ...

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  18. The electronic configuration of three elements X, Y and Z is given bel...

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