Combustion And Flame Test

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Column I	Column II
I. A piece of phosphorus bursting into flames on its own	(i) Rapid combustion
II. Bursting of a cracker	(ii) Spontaneous combustion
III. Lighting of an LPG burner	(iii) Explosion

Combustion And ...

Question 1

Both statements I and II are correct, and statement II is the correct reason for statement I.

Both statements I and II are correct, but statement II is not the correct reason for statement I.

Statement I is correct, but statement II is incorrect.

Both statements I and II are incorrect.

Question 2

Only (i) and (ii)

Only (ii) and (iv)

Only (iii) and (iv)

Only (i) and (iv)

Question 3

Energy + Carbon dioxide

Energy + Carbon dioxide + Water vapour

Energy + Oxygen + Water vapour

Energy + Water vapour

Question 4

I - (iii), II - (ii), III - (i)

I - (ii), II - (iii), III - (i)

I - (iii), II - (i), III - (ii)

I - (ii), II - (i), III - (iii)

Question 5

(I) and (IV) on the match stick head; (II) and (II) on the match box.

(II) and (III) on the match stick head; (I) and (IV) on the match box.

(III) and (IV) on the match stick head; (I),(II) and (III) on the match box.

(III) and (IV) on the match stick head; (I) and (II) on the match box.

Question 6

Wood

Kerosene

LPG

Hydrogen

Question 7

a high ignition temperature

a low ignition temperature

a very low ignition temperature

a variable ignition temperature according to the weather conditions

User

Question Analysis

Combustion And ...

Question 1

Both statements I and II are correct, and statement II is the correct reason for statement I.

Both statements I and II are correct, but statement II is not the correct reason for statement I.

Statement I is correct, but statement II is incorrect.

Both statements I and II are incorrect.

Question 2

Only (i) and (ii)

Only (ii) and (iv)

Only (iii) and (iv)

Only (i) and (iv)

Question 3

Energy + Carbon dioxide

Energy + Carbon dioxide + Water vapour

Energy + Oxygen + Water vapour

Energy + Water vapour

Question 4

I - (iii), II - (ii), III - (i)

I - (ii), II - (iii), III - (i)

I - (iii), II - (i), III - (ii)

I - (ii), II - (i), III - (iii)

Question 5

(I) and (IV) on the match stick head; (II) and (II) on the match box.

(II) and (III) on the match stick head; (I) and (IV) on the match box.

(III) and (IV) on the match stick head; (I),(II) and (III) on the match box.

(III) and (IV) on the match stick head; (I) and (II) on the match box.

Question 6

Wood

Kerosene

LPG

Hydrogen

Question 7

a high ignition temperature

a low ignition temperature

a very low ignition temperature

a variable ignition temperature according to the weather conditions

User

Question Analysis

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