ABHYAS | Self Learning | Testing Platform

Q.1

What are the products of the displacement reaction between Zinc and Hydrochloric acid ?

A.

$large ZnH_2+CI_2$

B.

$large ZnCl+H_2$

C.

$large ZnCl_2+H_2$

D.

$large ZnCl+HCl$

Reset Mark for Review Next 00:00

Q.2

Which of the following is formed along with iron sulphate in the displacement reaction between iron and copper sulphate?

A.

Copper

B.

Sulphur

C.

Oxygen

D.

Hydrogen

Previous Reset Mark for Review Next 00:00

Q.3

Which of the following is not an example of a combination reaction?

A.

$large MgO + CO_2 rightarrow MgCO_3$

B.

$large Ba + F_2 rightarrow BaF_2$

C.

$large 2Na + Cl_2 rightarrow 2NaCl$

D.

$large Zn + CuSO_4 rightarrow ZnSO_4 + Cu$

Previous Reset Mark for Review Next 00:00

Q.4

Which of the following is a displacement reaction ?

A.

$large CaCO_3: : rightarrow : : CaO+CO_2$

B.

$large CaO+2HCl: : rightarrow : : CaCl_2+H_2O$

C.

$large Fe+CuSO_4: : rightarrow : : FeSO_4+Cu$

D.

$large NaOH+HCl: : rightarrow : : NaCl+H_2O$

Previous Reset Mark for Review Next 00:00

Q.5

Which of the following compound of Iron is produced during the displacement reaction between Iron and Copper Sulphate?

A.

Iron oxide

B.

Iron sulphide

C.

Iron sulphate

D.

Iron sulphite

Previous Reset Mark for Review Next 00:00

Q.6

Which of the following hypothetical reactions can be called a combination reaction?

A.

a+bc $rightarrow$ ab+c

B.

abc $rightarrow$ ab+c

C.

a+b $rightarrow$ ab

D.

ab $rightarrow$ a+b

Previous Reset Mark for Review Next 00:00

Q.7

When chlorine is passed through an aqueous solution of potassium iodide the following reaction takes place: $large Cl_2(g)+2KI(aq)rightarrow 2KCl(aq)+I_2(s)$

Which out of the following statements is correct?

A.

In this reaction chlorine is getting oxidised.

B.

Iodine is more reactive than chlorine

C.

Chlorine is more reactive than iodine

D.

In this reaction iodine is getting reduced

Previous Reset Mark for Review Next 00:00

Q.8

When a strip of an iron metal is placed in copper sulphate solution, then a coating of copper on iron strip is formed. It is because

A.

of the addition between iron metal and copper sulphate solution

B.

iron displaces copper from copper sulphate as in a displacement reaction

C.

iron displaces copper sulphate solution as in a double displacement reaction

D.

iron is not displaced, but copper on iron

Previous Reset Mark for Review Next 00:00

Q.9

Consider the following reaction: $large MnO_2+4HClrightarrow MnCl_2+Cl_2+2H_2O$ Which of the following is getting oxidised in this reaction?

A.

Manganese

B.

Chlorine

C.

Hydrochloric acid

D.

Magnesium oxide

Previous Reset Mark for Review Next 00:00

Q.10

Which of the following are correct ?

(a) A chemical reaction in which two or more substances (reactants) combine to form a new substance ( product) is called combination reaction.

(b) Combinations reaction is example of $2H_2 (g) + O_2(g) rightarrow 2 H_2 O (g)$

(c) Combination of nitrogen and hydrogen gas yields ammonia gas.

$N_2 (g) + 3H_2 (g) rightarrow 2NH_3(g)$

A.

Only (a) and (b) is correct

B.

Only (b) and (c) is correct .

C.

Only (a) and (c) is correct .

D.

All of these .

Previous Reset Mark for Review 00:00

Attention !!!!!