Methane

Q. Methane gas is also known as gas.

1. compressed
2. marsh
3. natural

Q.

When steam is passed over red hot coke, then a mixture of carbon monoxide and hydrogen gas is formed. This is called _____ gas.

1. industrial
2. water
3. natural
4. producer

Q. How is methane gas produced? [2 Marks]

Q.

What are the combining elements in Methane?

Q. The molecular formula of methane is ______.

1. $C{H}_4$
2. $CO$
3. $C_2{H}_6$
4. $C_3{H}_8$

Q. Methane is found in:

1. biogas
2. coal mines
3. marshy places
4. septic tank

Q.

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

1. The fuel is wet.

2. The food is not cooked completely.

3. The fuel is not burnt completely.

4. The fuel is burnt completely.

Q. $CO\left(g\right)+3H_2\left(g\right)\underset{300{}^{0C}}{\overset{\text{X}}{\to }}C{H}_4\left(g\right)+H_{2}O\left(g\right)$

X in the above reaction is .

1. nickel
2. iron
3. sulphur

Q.

How did scientists have found that which component is coming out in a chemical reaction ?

Q. In Bosch's process, which gas is utilised for the production of elemental carbon?

1. Producer gas
2. Coal gas
3. Natural gas
4. Water gas

Q. The molecular formula of methane is ______.

1. $CO$
2. $C_2{H}_6$
3. $C{H}_4$
4. $C_3{H}_8$

Q. Methane gas is also known as _______ gas.

1. producer
2. marsh
3. coal
4. water

Q. Marsh gas contains:

1. $C{H}_4$
2. $C{O}_2$
3. $C_2{H}_6$
4. $N_2$

Q.

the enthalpy of combustion of methane at 25⁰Cis 990.the amout of heat liberated when 4.2g of methane is burnt in air

Q. what is the equation of methane and ethane? also mention there uses.

Q. When methane undergoes complete combustion, the products formed are:

1. carbon dioxide and water
2. carbon monoxide and oxygen
3. carbon dioxide and hydrogen
4. oxygen and hydrogen

Q. Calculate the heat of formation of C₆H₆, given that the heats of combustion of benzene, carbon and hydrogen are 754, 94 and 68 kcal respectively.