Advertisements
Advertisements
प्रश्न
Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.
Slaags is a non-combustible material.
उत्तर
Glass is a non-combustible material.
APPEARS IN
संबंधित प्रश्न
Give reasons.
Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.
Seldie is a combustible substance.
Write True/False against the following statement and also correct the false statement.
Increased concentration of nitrogen in air is believed to cause global warming.
Any reaction that involves reaction with oxygen is called reaction ______.
The chemical process in which a substance reacts with oxygen to produce heat is called ______.
Complete combustion of the fuel takes place and the colour of the flame is yellow and is the hottest part of the flame.
Fill in the blanks using the word given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
Wood, paper, CNG are ______ substances.
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
Ignition temperature of ______ is lower than that of wood.
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
The substances which have very low ______ temperature and can easily catch fire with a flame are called ______ substances.
Fill in the blanks using the words given in the box.
| ignition | petrol | combustion | calorific value | combustible | combustible |
The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its ______.
