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Carbon And Its Compounds - Class 10 Science (Compulsory Test)


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30 Questions MCQ Test | Carbon And Its Compounds - Class 10 Science (Compulsory Test)

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Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 1

Ethane, with the molecular formula C2H6 has

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 2

Butanone is a four-carbon compound with the functional group

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 3

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 4

A covalent bond is formed by

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 5

Which of the following compounds does not contain a multiple bond?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 6

Which of the following is not a saturated hydrocarbon?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 7

Benzene with molecular formula, C6H6, has

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 8

The functional group in methanol and methanal respectively are :

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 9

Which of the following is not an allotropic form of carbon?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 10

Graphite is a soft lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 11

Which of the following represent the correct order of unsaturation?

Detailed Solution for Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 11

Alkanes are saturated hydrocarbons. Alkenes and alkynes are unsaturated hydrocarbons. So, increasing order of unsaturation is Alkanes, Alkenes and Alkynes.

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 12

Which of the following substance is added to denature ethanol?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 13

Detergents are sodium or potassium salts of long chain

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 14

Which of the following salts when dissolved in water produce hard water?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 15

Which of the following will not decolourise bromine water?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 16

Compounds made up of carbon and hydrogen only are called

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 17

The reaction 2C2H5OH + 2Na → 2C2H5ONa + H2 suggests that ethanol is:

Detailed Solution for Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 17

The mentioned reaction shows the acidic nature of ethanol as acidic donates protons which on reduction forms hydrogen gas. Here Na i.e. sodium is a metal and is basic in nature.  Sodium being strong base force ethanol to act as an acid and hence produces hydrogen gas. 

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 18

The characteristic reaction of alkanes is

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 19

The major constituent of biogas is

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 20

n-butane and isobutane are

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 21

The general formula of alcohol is

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 22

The acid present in vinegar is?:

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 23

Ethanol on oxidation gives

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 24

The functional group present in carboxylic acids is

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 25

A dilute solution of ethanoic acid in water is called

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 26

The functional group in aldehydes is

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 27

Which of the following is an alkyne ?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 28

Which class of organic compounds give effervescence with NaHCO3 solution ?

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 29

Carboxylic acids are obtained from alcohols by -

Carbon And Its Compounds - Class 10 Science (Compulsory Test) - Question 30

Soaps are prepared by alkaline hydrolysis of -

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