Subject

Chemistry

Class

ICSE Class 10

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsMatch The Following

1.

Name the method used for preparation of the following salts from the list given below:

A. Sodium nitrate  (i)  Simple displacement
B. Iron III chloride  (ii) Neutralization
C.  Lead chloride  (iii) Decomposition by acid  
D.  Lead chloride  (iv) Double decomposition
E. Sodium hydrogen sulphate  (v) Direct synthesis 
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2.

Sodium hydroxide solution is added to the solutions containing the ions mentioned in list X. List Y gives the details of the precipitate. Match the ions with their coloured precipitates.

A.   Pb2+  (i)  Reddish brown
B.  Fe2+ (ii) White insoluble in excess
C. Zn2+ (iii) Dirty green
D. Zn2+ (iv)  White soluble in excess
E. Cu2+  (v) White soluble in excess
F. Ca2+  (vi) Blue
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 Multiple Choice QuestionsFill In the Blanks

3.

Fill in the blanks from the choices given below:

Across a period, the ionisation potential …………….(increases, decreases, remains same)

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4.

Fill in the blanks from the choices given below:
Down the group, electron affinity…………….(increases, decreases, remains same).

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5.

Fill in the blanks from the choices given below:
In covalent compounds, the bond is formed due to the ………(sharing/transfer) of electrons.

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6.

Fill in the blanks from the choices given below:

Electrovalent compound have a ………..(low/high )boiling point.

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7.

Fill in the blanks from the choices given below:

A molecule of ………… contains a triple bond (hydrogen, ammonia, nitrogen).


Nitrogen

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8.

Choose the correct word/phrase from within the bracket to complete the following sentences:

The catalyst used for conversion of ethene to ethane is commonly……. (nickel /iron/cobalt)

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9.

choose the correct word/phrase from within the bracket to complete the following sentences:.

When acetaldehyde is oxidized with acidified potassium dichromate, it forms ………(ester/ethanol/acetic acid)

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10.

choose the correct word/phrase from within the bracket to complete the following sentences:

Ethanoic acid reacts with ethanol in presence of concentrated H2SO4, so as to form a compound and water. The chemical reaction which takes place is called………….(dehydration/hydrogenation/esterification)

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