Statement I: Charcoal burns with flames.
Statement II: Charcoal doesn't vapourise while burning.

Statement I is true but statement II is false

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Statement I is false but statement II is true

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Both statements are true

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Both statements are false

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Solution

The correct option is B Statement I is false but statement II is true
A substance which vapourises during burning, give out flames like kerosene oil and moltex wax. Charcoal does not vapourise during buring. So, it does not produce flames. Hence, statement I is false but statement II is true.

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Similar questions

I

\to L = I \to ω

II

\to τ = \frac{d \to L}{d t}

Statement - I: $C l^{-} a n d C a^{2 +}$ are isoelectronic species.
Statement - II: Isoelectronic species should have same charges.

X_{2} Y_{3}

X_{2} Y_{3}

A^{- 1}

3 \times 3

A^{2} - 5 A + 7 I = 0.

A^{- 1} = \frac{1}{7} (5 I - A) .

A^{3} - 2 A^{2} - 3 A + I

5 (A - 4 I)

2 \times 2

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