हिंदी

Soda-lime is a Mixture of

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प्रश्न

Soda-lime is a mixture of

विकल्प

  • NaOH + CaCl2

  • NaOH + CaCO3

  • NaOH + CaO

  • NaOH + Al2O3

MCQ
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उत्तर

NaOH + CaO

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अध्याय 17: Carboxylic Acids - Exercise 1 [पृष्ठ २९०]

APPEARS IN

फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 17 Carboxylic Acids
Exercise 1 | Q 13.3 | पृष्ठ २९०

संबंधित प्रश्न

Fill in the blank:

Organic compounds are essentially_________compounds. They
show ___________Reaction and their rates are ___________.


Name the following:

Catalyst used in the Esterification reaction.


Fill in the blank with appropriate word/words.

The catalyst used for hydrogen of vegetable oil is ___________


Fill in the blank with appropriate word/words.

Two isomers of the compound having molecular formula C3H6O are __________and ________


Fill in the blanks by chosing words from the given list of words:

Addition, Carbohydrates, CnH2n-2, CnH2n+2, electrochemical, homologus, hydrocarbons, saturated, substitution, unsaturated.

The alkanes form a ______series with general formula_________The alkanes are_______,which generally undergo________reactions.


Write balanced equations to show the preparation of the following:

Ethane from sodium propionate


Give chemical equation for:

The laboratory preparation of methane from sodium acetate.


Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is CH2Br - CH2Br.
\[\ce{A ->[Br2/Od4] CH2Br - CH2Br}\]

 What type of reaction has A undergone?


Name an organic compound which is a solvent for gums and resins.


The structures of six organic compounds are shown:

A

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C = C - C - H}\\
|\phantom{.............}|\\
\ce{H}\phantom{............}\ce{H}
\end{array}\]

B

\[\begin{array}{cc}
\phantom{.......}\ce{H}\phantom{.....}\ce{O}\\
\phantom{.......}|\phantom{.....}//\\
\ce{H - C - C}\\
\phantom{......}|\phantom{.....}\backslash\\
\phantom{...........}\ce{H}\phantom{.....}\ce{O - H}
\end{array}\]

C

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

D

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{O}\\
\phantom{.......}\backslash\\
\phantom{.........}\ce{H}
\end{array}\]

E

\[\begin{array}{cc}
\ce{H}\\
|\\
\ce{H - C - H}\\
\ce{H}\phantom{....}\phantom{....}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

F

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{C = C}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}
\end{array}\]

  1. Identify two of the compounds that are members of the same homologous series but are not isomers.
  2. Which two compounds are isomers of each other?
  3. F can be prepared from D. Give a chemical equation for the reaction.

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