Carbon Dioxide and Carbon Monoxide

Q.

Which gas has the highest contribution toward green-house effect?

1. Freon

2. Methane

3. Carbon-dioxide

4. Ozone

Q. What is a catalytic convertor

Q.

How can we control carbon monoxide poisoning ?

Q.

Incomplete burning of fuel produces __ (Carbon dioxide/Carbon monoxide) which is a Poisonous gas.

Q.

State the main sources and effects of carbon monoxide.

Q.

Which of the following gases on inhalation dissolves in the Blood Haemoglobin faster as compared to Oxygen?

1. Ozone

2. Nitrous oxide

3. Carbon monoxide

4. Sulphur dioxide

Q.

Give the mechanism of the action of carbon monoxide.

Q.

Carbon monoxide emitted by automobiles prevents transport of oxygen in the body due to___________.

1. Forming stable complex with haemoglobin

2. Combining with oxygen to form carbon dioxide

3. Destruction of haemoglobin

4. Preventing reaction between oxygen and haemoglobin

Q.

What are the harmful effects of carbon monoxide?

Q.

Inhalation of air polluted with carbon monoxide is dangerous because___ .

1. CO combines with hemoglobin of blood.

2. CO removes water from the body and causes dehydration.

3. CO causes coagulation of proteins in the body.

4. CO combines with Oxygen dissolved in blood.

Q.

What is carbon monoxide?

Q. When dissolved in water, which of the following ions are released by sodium hydroxide?

1. Both a and b
2. Hydroxide
3. Hydronium
4. Sodium

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 poisonous gas.
(iv) It reduces oxygen-carrying capacity of the blood.
​(v) It is released from vehicles.

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

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

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

4. (ii) and (v)

Q.

what precautions are taken by climbers to prevent themselves from entering the state of anoxia?

Q. the green house gas which on combustion produces another green house gas- nitrous oxide, ozone or methane