Recent questions tagged combustion and flame

+1 vote

1 answer

Choose the incorrect statement from the following. A good fuel is one which: (a) is readily available.

asked Apr 5, 2019 by kratos

+2 votes

1 answer

"Natural gas is considered an environment friendly fuel." Explain the statement in two points.

asked Apr 1, 2019 in Class 10 by kratos

+2 votes

1 answer

Make a labeled diagram of a candle flame

asked Mar 27, 2019 by kratos

+2 votes

1 answer

On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of nonavailability of

asked Mar 27, 2019 by kratos

+1 vote

1 answer

While cooking, if the bottom of the vessel is getting blackend on the outside, it means that:

asked Mar 24, 2019 in Class 10 by kratos

+1 vote

1 answer

Write True/False against the following statements and also correct the false statement.

asked Mar 24, 2019 by kratos

+1 vote

1 answer

A chemical process in which a substance reacts with oxygen to give *** heat is ...............

asked Mar 23, 2019 in Chemistry by kratos

+2 votes

1 answer

How does kerosene oil rise in the wick of a lantern?

asked Mar 22, 2019 in Class 11 by kratos

+3 votes

1 answer

The unit of calorific value is: a) kJ/kg b) kg/kJ

asked Mar 18, 2019 in Chemistry by kratos

+2 votes

1 answer

The substances which have very low ignition temperature and can easily catch **** with a flame are called

asked Mar 17, 2019 by kratos

+1 vote

1 answer

Complete the crossword with the help of clues given below. Across 1. This is necessary for photosynthesis.

asked Mar 17, 2019 by kratos

+2 votes

1 answer

In combustion a) Both heat and light is produced b) Only heat is produced c) Only light is produced

asked Mar 7, 2019 by kratos

+3 votes

1 answer

Can the process of rusting be called combustion? Discuss.

asked Mar 3, 2019 by kratos

+3 votes

1 answer

The calorific value of a fuel is expressed in a unit called (a) kilojoule per litre

asked Mar 3, 2019 by kratos

+2 votes

1 answer

Which among the following is considered as the cleanest fuel?

asked Mar 2, 2019 by kratos

+2 votes

1 answer

What do you understand by fuel efficiency?

asked Feb 22, 2019 by kratos

+2 votes

1 answer

If a person’* clothes catches ****, the best way to extinguish the **** is to:

asked Feb 19, 2019 by kratos

+2 votes

1 answer

I was about to sleep when I heard shouts of’ ‘****, ****.’ I rushed out and saw old Mrs.

asked Feb 18, 2019 in Class 10 by kratos

+1 vote

1 answer

While cooking, if the bottom of the vessel is getting blackened on the outside.it means that

asked Feb 16, 2019 in Class 10 by kratos

+1 vote

1 answer

Sale of petrol and diesel cars is rising particularly in big cities. Analyse its impact on ***** Domestic product and *******.

asked Feb 16, 2019 in Class 12 by kratos

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