Class 9 | Carbon: An important element

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Melting point of diamond is

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Biogas contains about …........ of methane.

2/27

Weight of Kohinoor Diamond was …..........

3/27

In which form does carbon dioxide exist in the atmosphere?

4/27

Find the odd man out: Diamond, Fullerene, Graphite, Methane.

5/27

Find the odd man out: Propane, Methane, Ethene, Pentane.

6/27

Carbon has 4 valence electrons in its outermost shell, hence it is .

7/27

Wohler, a German scientist synthesized the compound ….......from an inorganic compound ammonium cyanate

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Melting point of methane is …........

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Covalent compounds have …..........

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H2C = CH2 is …....

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Find the odd man out: Coal, Petroleum, Natural gas, Cotton

12/27

Find the odd man out: Cotton, Silk, Proteins, Wool

13/27

Find the odd man out: Lubricants, Electrodes, Ornaments, Arc Lamps

14/27

Which important element is a major component of proteins and is essential for life processes?

15/27

Methane is also called as …

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Find the odd man out: Peat, Charcoal, Lignite, Bituminous

17/27

Ethane with molecular formula C2H6 has …......... covalent bonds.

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Carbon dioxide gas is not used in …...........

19/27

What is the atomic number of carbon?

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Melting point of CO2 is …..............

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…........ is not a property of carbon dioxide gas.

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Which allotrope of carbon is used as a lubricant and is an excellent conductor of electricity?

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Molecular mass of methane is

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Methane is ….............

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What is the valency of carbon in most of its compounds?

26/27

…........... coal contains highest percentage of carbon

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Carbon - An Important Element

Class 9 | Carbon : An important element

1 / 27

In which form does carbon dioxide exist in the atmosphere?

2 / 27

Which important element is a major component of proteins and is essential for life processes?

3 / 27

What is the valency of carbon in most of its compounds?

4 / 27

Which allotrope of carbon is used as a lubricant and is an excellent conductor of electricity?

5 / 27

What is the atomic number of carbon?

6 / 27

Carbon has 4 valence electrons in its outermost shell, hence it is .

7 / 27

Methane is also called as …

8 / 27

Find the odd man out: Peat, Charcoal, Lignite, Bituminous

9 / 27

Find the odd man out: Coal, Petroleum, Natural gas, Cotton

10 / 27

Find the odd man out: Lubricants, Electrodes, Ornaments, Arc Lamps

11 / 27

Find the odd man out: Cotton, Silk, Proteins, Wool

12 / 27

Find the odd man out: Diamond, Fullerene, Graphite, Methane.

13 / 27

Find the odd man out: Propane, Methane, Ethene, Pentane.

14 / 27

Carbon dioxide gas is not used in …………..

15 / 27

……….. is not a property of carbon dioxide gas.

16 / 27

H2C = CH2 is …….

17 / 27

………….. coal contains highest percentage of carbon

18 / 27

Molecular mass of methane is

19 / 27

Wohler, a German scientist synthesized the compound ……….from an inorganic compound ammonium cyanate

20 / 27

Biogas contains about ……….. of methane.

21 / 27

Melting point of methane is ………..

22 / 27

Melting point of CO2 is ……………..

23 / 27

Methane is …………….

24 / 27

Covalent compounds have ………….

25 / 27

Weight of Kohinoor Diamond was ………….

26 / 27

Melting point of diamond is

27 / 27

Ethane with molecular formula C2H6 has ………… covalent bonds.

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