Carbon Dioxide and Carbon Monoxide

Q.

Which of the following gas is used to prepare fizzy drinks like soda water?

1. Nitrogen ($N_2$)

2. Oxygen ($O_2$)

3. Carbon dioxide ($C{O}_2$)

4. Argon ($Ar$)

Q.

Lime water turns milky when carbon dioxide gas is passed through it due to the formation of _________.

1. calcium
2. calcium dioxide
3. calcium carbonate
4. water

Q. Air blown into limewater, turns it milky. This confirms the presence of in air.

1. carbon dioxide
2. water
3. calcium oxide

Q. What will happen if air is blown to limewater ?

Q. Incomplete combustion of fuel produces which of the following gases?

1. $CO$
2. $C{O}_2$
3. $S{O}_2$
4. All

Q.

Carbon dioxide, dissolved in water, can dissolve rocks containing calcium carbonate and magnesium carbonate. What are the respective salts formed?

1. Nuclear

2. CNG

3. Hydrogen

4. Kerosene

Q.

Which gas is used to make carbonated drink.

Q.

Choose the correct option:

Carbon dioxide is used in fire extinguishers because:

1. It turns lime water milky

2. It is not a combustible gas

3. It is a supporter of combustion

4. It is not a supporter of combustion

Q.

Incomplete burning of a carbon-based fuel produces ___ gas which can build up in our bloodstream and cause death.

1. hydrogen

2. carbide

3. carbon monoxide

4. carbon dioxide

Q.

Which gas is used in fire extinguisher?

1. Oxygen

2. Nitrogen

3. Carbon dioxide

4. Sulphur dioxide

Q.

While researching on various components of air, a scholar Rakesh passed a gas through limewater.
He observed that the limewater turned milky. Identify the gas from the following.

1. Carbon dioxide

2. Methane

3. Nitrogen

4. Oxygen

Q.

Which of the following is/are correct with respect to carbon monoxide?
(i) It is released due to incomplete combustion of fuels.
(ii) It does not affect humans.
(iii) It is a poisonous gas.
(iv) It reduces oxygen-carrying capacity of the blood.
(v) It is released from vehicles.

1. (i), (ii) and (v)

2. (i), (iii), (iv) and (v)

3. (ii) and (v)

4. (i), (iv) and (v)

Q.

Carbon monoxide is a pollutant because it:

1. React with oxygen

2. Inhibits glycolysis

3. Makes nervous system inactive

4. Reacts with hemoglobin

Q. The incomplete combustion of petrol or diesel leads to the emission of which poisonous gas?

1. Methane
2. Ozone
3. Carbon dioxide
4. Carbon monoxide

Q.

Carbon + $X$ $\to$ Carbon dioxide. Identify the gas $X$.

1. Volcanic eruption

2. Automobile emissions

3. Volcanic eruption and Automobile emissions

4. None of these

Q. Which component of air is commonly used in fire extinguishers and why? (3 marks)

Q. The chemical reaction between quicklime and water is characterised by:

1. Evolution of hydrogen gas
2. Suspension of slaked lime in water
3. Change in temperature of mixture
4. Change in colour of product

Q.

Which of the following are correct with respect to carbon monoxide?
(i) It is released due to incomplete combustion of fuels.
(ii) It does not affect humans.
(iii) It is a toxic gas.
(iv) It reduces oxygen-carrying capacity of the blood.
​(v) It is released from vehicles.

1. (i), (iii), (iv) and (v)

2. (i), (iv) and (v)

3. (i), (ii) and (v)

4. (ii) and (v)

Q.

Inhaling which of these gases reduces the oxygen carrying capacity of the blood?

1. air utilisation

2. air pollution

3. air purification

4. air conservation

Q. Like animals, plants also respire and produce , water and energy

1. carbon dioxide
2. oxygen
3. nitrogen

Q.

Which of the following are true regarding $C{O}_2$?

a. Excess of $C{O}_2$ acts as a pollutant.

b. Plants take in $C{O}_2$ for photosynthesis.

c. Deforestation leads to a decrease in the amount of $C{O}_2$ in the air.

d. Less quantity of $C{O}_2$ causes a rise in temperature.

1. a, b and d

2. a and b

3. a, b and c

4. b and c

Q.

Which of the following air pollutants reduces the oxygen-carrying capacity of blood?

1. Carbon dioxide

2. Nitrous oxide

3. Carbon monoxide

4. Sulphur dioxide

Q.

Which of the following air pollutants reduces the oxygen-carrying capacity of blood?

1. Carbon dioxide

2. Carbon monoxide

3. Nitrous oxide

4. Sulphur dioxide

Q. The incomplete combustion of petrol or diesel leads to the emission of which poisonous gas?

1. Carbon dioxide
2. Methane
3. Carbon monoxide
4. Ozone

Q. Local conditions, such as heavy rainfall or the removal of plants, may limit the amount of nitrogen, phosphorus, or calcium available to a particular ecosystem, but the amount of carbon available to the system is seldom a problem because:

1. Organisms do not need very much Carbon.
2. Plants can make their own Carbon using water and sunlight.
3. Plants are much better at absorbing Carbon from the soil
4. Many nutrients come from the soil, but Carbon comes from the air

Q. Which of the gases turns lime water milky?
(a) carbon dioxide
(b) oxygen
(c) nitrogen
(d) methane

Q.

Local conditions, such as heavy rainfall or the removal of plants, may limit the amount of nitrogen, phosphorus, or calcium available to a particular ecosystem, but the amount of carbon available to the system is seldom a problem because

1. Organisms do not need very much carbon

2. Plants can make their own carbon using water and sunlight

3. Plants are much better at absorbing carbon from the soil

4. Many nutrients come from the soil, but carbon comes from the air

Q. Which of the following are true regarding ${\text{CO}}_2$?

a. Excess of ${\text{CO}}_2$ acts as a pollutant
b. Plants take in ${\text{CO}}_2$ for photosynthesis
c. Deforestation leads to decrease in the amount of ${\text{CO}}_2$ in air
d. Less quantity of ${\text{CO}}_2$ causes rise in temperature

1. a and b

2. a, b and d

3. a, b and c

4. b and c

Q. Which of the following is the main source of carbon monoxide $\left(\text{CO}\right)$?

1. Fungicides
2. Pesticides
3. Automobiles
4. Household waste

Q. Why does lime water turns milky when we breathe into it?