Question

Fill in the blanks.

1. Presence of a ______ of combustion is necessary for combustion.

2. ________ and _______ cannot be burnt .

3. _______ burns in air spontaneously, as it's ignition temperature is 35℃ only .

4. _______ are the fuels that exist as liquid at room temperature.

5. _______ is the rise in temperature of the atmosphere of the earth.​

Answer 1

Answer:

1. what's is your std dear????