Give one word or phase for the following:The ration of the mass

Subject

Chemistry

Class

ICSE Class 10

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsFill In the Blanks

1.

Fill in the blanks from the choice given within bracket:

The basicity of Acetic Acid is ……… (3,1,4).

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2.

Fill in the blank with the choice given within bracket:

Quicklime is not used to dry HCl gas because .................... (CaO is alkaline,CaO is acidic,CaO in neutral).

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3.

Fill in the blank with the choice given within bracket:

Ammonia gas is collected by.............................(an upward displacement of air, a downward displacement of water, a downward displacement of air).

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4.

Fill in the blank with the choice given within bracket:

Cold dilute nitric acid reacts with copper to form ................(hydrogen, nitrogen dioxide, nitric oxide)

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5.

Fill in the blanks with the choices given with bracket:
 
The compounds formed when ethanol reacts with sodium is .................(sodium ethanoate ,sodium ethoxide, sodium propanoate.)

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 Multiple Choice QuestionsOne Word Answers

6.

Give one word or phrase for the following :
The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.

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7.

Give one word or phase for the following:

The ration of the mass of a certain volume of gas to the mass of an equal volume of hydrogen under the same condition of temperature and pressure.


Vapour Density

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8.

Give one word or phrase for the following:

Formation of ions from molecules

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9.

Electrolytic deposition of a superior metal on a baser metal.

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 Multiple Choice QuestionsMatch The Following

10.

Match the following:

A. Alkynes (i) No. of molecules in 22.4 dm3 of carbon dioxide at s.t.p
B. Alkane (ii) An element with electronic configuration 2,8,8,3  
C. Iron (iii) CnH2n+2
D. Iron (iv) CnH2n-2
E. Metal (v) Metal that forms two types of ion.
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