Assertion: Carbonate and sulphate are concentrated by froth flotation process.
Reason: Pine oil wets the gangue particle
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: A dilute solution of NaCN is used for leaching ores of silver and gold.
Reason: Impurities present in these ores dissolve in NaCN
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Aluminothermic process is the extraction of chromium from I chromic oxide.
Reason: Alumina has a high melting point.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false.

Assertion: Ti can be purified by van arkel process
Reason: TiI₄ is a volatile compound which decomposes at a high temperature.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Carbon is used in blast furnace for reduction of Fe₂O₃
Reason: The gangue present is silica which is acidic in nature.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Aluminium metal is used as a reducing agent for the extraction of metals.
Reason: Aluminium has great affinity for oxygen.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is. false.
d) Both assertion and reason are false

Assertion: Wrought iron is purest form of iron with respect to other forms.
Reason: It has less than 0.5% carbon.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false.

Assertion: In the manufacturing of iron from hematite, silicon dioxide is added as flux
Reason: Lime stone is used as acidic flux in many case
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Metallurgy of Ag from argentite is known as hydro-metallurgy.
Reason: Argentite is Ag₂S.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Roasting process is involved in the metallurgy of Cu from malachite ore.
Reason: Roasting is the process of heating the ore in the absence of air.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false.

Assertion: Calamine and Dolomite are the Carbonate ores.
Reason: Calamine is ZnCO₃ whereas dolomite is MgCO₃.ZnCO₃.
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Cuprite is concentrated by froth flotation process.
Reason: Cuprite is the sulphide ore
Codes:
a) Both assertion and reason are true and the reason is the correct explanation of the assertion.
b) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
c) Assertion is true, but reason is false.
d) Both assertion and reason are false

Assertion: Zone refining is carried out in an inert gas atmosphere
Reason: The metal is treated with a suitable reagent which can form a volatile compound with the metal.
Codes:
a) Both (A) and (R) are true and (R) is the correct explanation of (A).
b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
c) (A) true but (R) false.
d) Both (A) and (R) are false

Assertion: Metallic zinc is used in galvanising metals such as iron and steel.
Reason: Zinc is also used to produce die castings
Codes:
a) Both (A) and (R) are true and (R) is the correct explanation of (A).
b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
c) (A) true but (R) false.
d) Both (A) and (R) are false.

Assertion: Aluminium is used in the design of chemical reactors, medical equipments, refrigeration units and gas pipelines.
Reason: Aluminium shows high resistance to corrosion
Codes:
a) Both (A) and (R) are true and (R) is the correct explanation of (A)
b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
c) (A) true but (R) false
d) Both (A) and (R) are false.