Question

Write True for the true statement and False for the false one.
1. Combustion can happen without oxygen.
2. The inner zone is the coolest part of a flame.
3. The middle zone in a flame is blue in colour.
4. Both physical and chemical changes occur during the burning of a candle.
5. An ideal fuel has a low calorific value.​

Answer 1

Answer:

$(1) \: true$

$(2) \: false$

$(3) \: false$

$(4) \: true$

$(5) \: false$

$is \: your \: right \: answer$

Answer 2

Answer:

1st is false

2nd is true

3rd is true

4th is false

5ft is false

Explanation:

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