Chemistry 10th Class English Medium Unit 11 Online Test With Answers

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Chemistry 10th Class English Medium Unit 11 Online Test

Sr. # Questions Answers Choice
1 Functional group of Alcohols is -COOH -C=0 C-O-C -OH
2 The functional group -COOH is found in. Aldehydes Esters Carboxylic acids alcohols
3 In which of the following groups , oxygen is attached on both sides with carbon atoms. Ketone group Ether group Aldehyde group Easter group
4 General formula of Alkyl radical is.. C<sub>6</sub>H<sub>2n-2</sub> C<sub>n</sub>H<sub>2n+2</sub> C<sub>11</sub>H<sub>2n-1</sub> C<sub>n</sub>H<sub>2n-2</sub>
5 General formula of Alkynes is. C<sub>6</sub>H<sub>2n-2</sub> C<sub>n</sub>H<sub>2n+2</sub> C<sub>11</sub>H<sub>2n-2</sub> C<sub>n</sub>H<sub>2n-2</sub>
6 General formula of Alkane is. C<sub>10</sub>H<sub>2n-2</sub> C<sub>6</sub>H<sub>26</sub> C<sub>11</sub>H<sub>2n-2</sub> C<sub>n</sub>H<sub>2n-2</sub>
7 ____________ is synthetic fiber. Cotton Woal Nylon Silk
8 Percentage of methane present in natural gas is. 75% 80% 85% 90%
9 Which is the main component of natrual gas. Methane Ethane Propane Charcoal
10 Main component of Natrual gas. CH<sub>3</sub> CH<sub>4</sub> C<sub>2</sub>H<sub>6</sub> C<sub>2</sub>H<sub>2</sub>
11 Which one of the followoing is the Hardest coal. Peat Lignite Bituminous Anthracite
12 Pitch is black residue of. Coke Coal tar Coal Coal gas
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