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CBSE - Class 10 Science Carbon and its Compounds Worksheet

Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?

Draw the electron dot structures for (a) ethanoic acid.

Explain the formation of scum when hard water is treated with soap.

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

a. the food is not cooked completely. b. the fuel is not burning completely. c. the fuel is wet. d. the fuel is burning completely.

Explain the nature of the covalent bond using the bond formation in $CH_3Cl$.

What is an homologous series? Explain with an example.

Explain the mechanism of the cleaning action of soaps.

Butanone is a four-carbon compound with the functional group

a. carboxylic acid. b. aldehyde. c. ketone. d. alcohol.

Draw the electron dot structures for (d) $F_2$.

10.

What is hydrogenation? What is its industrial application?

11.

What change will you observe if you test soap with litmus paper (red and blue)?

12.

Draw the electron dot structures for (c) propanone.

13.

Which of the following hydrocarbons undergo addition reactions: $C_2H_6$, $C_3H_8$, $C_3H_6$, $C_2H_2$ and $CH_4$.

14.

Draw the electron dot structures for (b) $H_2S$.

15.

How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?

16.

Ethane, with the molecular formula $C_2H_6$ has

a. 6 covalent bonds. b. 7 covalent bonds. c. 8 covalent bonds. d. 9 covalent bonds.

17.

Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.

18.

Why are carbon and its compounds used as fuels for most applications?

Worksheet Answers

16.

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