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Standard XII

Chemistry

Reactivity Towards Air

Assertion : ...

Question

Assertion : $B_{2} O_{3}$ and $S i O_{2}$ are acidic in nature Reason: Non-metallic oxides are acidic in nature

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$B_{2} O_{3}$ & $S i O_{2}$ are acidic in nature because non-metallic oxides are acidic in nature.

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Similar questions

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

.

Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R) Addition of water in acidic medium proceeds through the formation of primary carbocation.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Q. Directions: In the following questions, a statement of assertion is followed by a statement of reason.
Mark the correct choice as:
Assertion: For acidic impurities like

S i O_{2}

present in an ore, basic fluxes are used.
Reason: Lime is a basic flux.

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Assertion :B2O3 and SiO2 are acidic in nature Reason: Non-metallic oxides are acidic in nature

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionB2O3 & SiO2 are acidic in nature because non-metallic oxides are acidic in nature.

Assertion : $B_{2} O_{3}$ and $S i O_{2}$ are acidic in nature Reason: Non-metallic oxides are acidic in nature

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$B_{2} O_{3}$ & $S i O_{2}$ are acidic in nature because non-metallic oxides are acidic in nature.