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Carbon and its Compounds - True/False

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Q 01 / 25

Carbon forms ionic compounds by losing or gaining electrons easily.

✔ True ✘ False

Q 02 / 25

Carbon has the ability to form a large number of compounds due to its tetravalency.

✔ True ✘ False

Q 03 / 25

Hydrocarbons are compounds made up of carbon and hydrogen only.

✔ True ✘ False

Q 04 / 25

Alkanes contain at least one double bond between two carbon atoms.

✔ True ✘ False

Q 05 / 25

Isomers are compounds with the same molecular formula but different structures.

✔ True ✘ False

Q 06 / 25

Diamond is the hardest natural substance due to its strong covalent bonding in a 3D network.

✔ True ✘ False

Q 07 / 25

Cooking oil is a saturated compound.

✔ True ✘ False

Q 08 / 25

Carbon monoxide is a poisonous gas formed by incomplete combustion of carbon.

✔ True ✘ False

Q 09 / 25

Carbon shows the property of catenation by forming bonds with other carbon atoms.

✔ True ✘ False

Q 10 / 25

Alkenes have the general formula \(C_nH_{2n+2}\).

✔ True ✘ False

Q 11 / 25

Ethanol undergoes dehydration to form ethene in the presence of concentrated sulfuric acid.

✔ True ✘ False

Q 12 / 25

Ketones contain the carbonyl (C=O) group bonded to at least one hydrogen atom.

✔ True ✘ False

Q 13 / 25

Carbon dioxide reacts with water to form carbonic acid.

✔ True ✘ False

Q 14 / 25

Saturated hydrocarbons are chemically more reactive than unsaturated hydrocarbons.

✔ True ✘ False

Q 15 / 25

Methane is an example of an alkane.

✔ True ✘ False

Q 16 / 25

In the reaction of sodium with ethanol, ethanoic acid is formed.

✔ True ✘ False

Q 17 / 25

Soap molecules repel dirt because of their hydrophobic tails.

✔ True ✘ False

Q 18 / 25

Hydrocarbons are good fuels because they contain a large amount of carbon and hydrogen.

✔ True ✘ False

Q 19 / 25

Graphite is a good conductor of electricity because of free electrons in its layers.

✔ True ✘ False

Q 20 / 25

Alkyne hydrocarbons contain only single bonds between carbon atoms.

✔ True ✘ False

Q 21 / 25

Functional groups determine the chemical properties of organic compounds.

✔ True ✘ False

Q 22 / 25

Ethanoic acid has a sour taste and a pungent smell.

✔ True ✘ False

Q 23 / 25

Carbon tetrachloride is a compound containing carbon and chlorine only.

✔ True ✘ False

Q 24 / 25

Ethanol burns with a smoky flame due to incomplete combustion of carbon.

✔ True ✘ False

Q 25 / 25

Benzene is an example of an aromatic hydrocarbon.

✔ True ✘ False

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Carbon and its Compounds - True/False

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