Question

1.
1
D) All
D) Candle
Choose the correct answerat-
is needed for the process of combustion,
А) Kerosene B) Water
C) Air
Which of the following does not burn with a flame
A) Kerosene
B) Coal
C) Wax
Which among the following is inflammable.
A) Petrol
B) Water
C) Air
Which among the following is combustible.
A) Paper
B) Wood
C) Oil
Magnesium burns in the air to produce
A) Mg(OH)2 B) MgO2
C) MgO
The hottest part of a candle blame is
D) AII
D) ADI
D) MgCO3
6.
C) Hot wone
D]Non luminous zone
[
7
A) Water
C) CO.
D) Sand
A) Luminous zone B) Dark zone
The best fire extinguisher is
B) Oxygen
The calorific value of kerosene is
A) 4500 KJ/Kg B) 6000 KJ/Kg
is a good fuel
8.
C) 55000 Kj/kg D) 150000 Kj/kg
[ ]
A) LPG
B) Petrol
C)
С) на
D) Wood​

Answer 1

Explanation:

.

1

D) All

D) Candle

Choose the correct answerat-

is needed for the process of combustion,

А) Kerosene B) Water

C) Air

Which of the following does not burn with a flame

A) Kerosene

B) Coal

C) Wax

Which among the following is inflammable.

A) Petrol

B) Water

C) Air

Which among the following is combustible.

A) Paper

B) Wood

C) Oil

Magnesium burns in the air to produce

A) Mg(OH)2 B) MgO2

C) MgO

The hottest part of a candle blame is

D) AII

D) ADI

D) MgCO3

6.

C) Hot wone

D]Non luminous zone

[

7

A) Water

C) CO.

D) Sand

A) Luminous zone B) Dark zone

The best fire extinguisher is

B) Oxygen

The calorific value of kerosene is

A) 4500 KJ/Kg B) 6000 KJ/Kg

is a good fuel

8.

C) 55000 Kj/kg D) 150000 Kj/kg

[ ]

A) LPG

B) Petrol

C)

С) на

D) Wood

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