Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 24

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IMPORTANT

Earn 100

Draw the electron dot structure of ethane molecule ( $C_{2} H_{6}$ ).

Important Questions on Carbon and its Compounds

HARD

10th Andhra Pradesh Board

IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Improve your learning>Q 25

An organic compound with molecular formula

C_{2} H_{4} O_{2}

produces brisk effervescence on addition of sodium carbonate/ bicarbonate. Answer the following:
a. Identify the organic compound.
b. Write the chemical equation for the above reaction
c. Name the gas evolved.
d. How will you test the gas evolved?
e. List two important uses of the above compound.

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Fill in the blanks>Q 3

Very dilute solution of ethanoic acid _____.

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Multiple choice questions>Q 1

Which of the four test tubes containing the following chemicals shows the brisk effervescence when dilute acid was added to them?

(i) $KOH$

(ii) ${NaHCO}_{3}$

(iii) $K_{2} {CO}_{3}$

(iv) $NaCl$

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Multiple choice questions>Q 5

Which one of the following hydrocarbon can show isomerism?

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Multiple choice questions>Q 6

Combustion of hydrocarbon is generally accompanied by the evolution of

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Multiple choice questions>Q 7

2 ml

of ethanoic acid was taken in each of the three test tubes A, B and C and

2 ml

,

4 ml

and

8 ml

water was added to them, respectively. A clear solution is obtained in:

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Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Multiple choice questions>Q 9

A few drops of ethanoic acid were added to solid sodium carbonate. The possible results of the reactions are:

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IMPORTANT

Physical Science Class 10>Chapter 12 - Carbon and its Compounds>Try These>Q 1

Name the carboxylic acid used as a preservative.