Advertisements
Advertisements
प्रश्न
Why are carbon and its compounds used as fuels?
Advertisements
उत्तर
- Carbon and its compounds are used as fuels because of their high hydrogen and carbon content; they release a significant amount of heat during combustion.
- Fuel-grade carbon compounds are straightforward to work with and have high calorific values and ideal ignition temperatures.
- There is control over their combustion. Carbon and its components are therefore employed as fuels.
APPEARS IN
संबंधित प्रश्न
Choose the correct alternative.
In combined state, carbon occurs as
How will you collect the gas ?
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of acetic acid on sodium bicarbonate.
Give reason for the following:
Soda acid and foam types of fire extinguisher are not used for extinguishing electrical fires.
State three ways by which carbon dioxide gas is added into the atmosphere.
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
Name of the following compounds :
Answer the following question.
What happens when methane compound burns in oxygen?
Name the following:
An acid formed when carbon dioxide is dissolved in water under pressure.
Give a balanced equation for the following conversion: [In one or two steps]
Calcium bicarbonate to calcium nitrate using a dilute acid.
Give a balanced equation for the following conversion: [In one or two steps]
A metallic oxide to calcium carbonate.
Give reason for the following:
Both CO2 & SO2 turn lime water milky. Moist potassium permanganate paper, helps in distinguishing the two gases.
Give a reason for the following:
Carbon monoxide and not carbon dioxide, is a highly poisonous gas.
Vinegar is a solution of
Carbon monoxide displaces ______ from hemoglobin.
According to the Octet rule, carbon requires ______ electrons to attain the nearest noble gas.
Which of the following is highly toxic?
Answer the following by rearranging the jumbled letters :
Carbon combines with other elements through the _______ bond.
lnaocvet.
Why is carbon monoxide harmful to health? (or) What happens when we breathe Carbon monoxide?
