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The shape of carbon dioxide molecule is _____.

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Important Questions on Industrial Chemistry

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

{CO}_{2}

is passed through lime water. Initially the solution turns milky and then becomes clear upon continued bubbling of

{CO}_{2}

. The clear solution is due to the formation of

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion A :- Carbon forms two important oxides $CO$ and ${CO}_{2}$ . $CO$ is neutral whereas ${CO}_{2}$ is acidic in nature.

Reason R : ${CO}_{2}$ can combine with water in a limited way to form carbonic acid, while $CO$ is sparingly soluble in water.

In the light of the above statements, choose the most appropriate answer from the options given below :-

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Dry ice is

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Which property of

{CO}_{2}

makes it biologically and geo-chemically important?

MEDIUM

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Which of the given statements are correct, when carboxyheamoglobin reaches to

3 - 4 %

in blood?
I) Leads to headache
II) Results in cardiovascular problem
III) Increases the body temperature
IV) Leads to diarrhoea

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

During the process of fermentation, the number of moles of

{CO}_{2}

liberated from one mole to glucose is

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

The role of haemoglobin is to

HARD

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Which of the following statements is true?

MEDIUM

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

A tetravalent element forms monoxide and dioxide with oxygen. Monoxide of the element is a powerful reducing agent and reduces ferric oxide to iron. The element can be

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Carbon dioxide is used,

a. As refrigerant for ice-creams and frozen foods.
b. Extensively to carbonate soft drinks.
c. As a fire extinguisher.

Choose the correct statement(s).

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Solid CO₂ is colorless, non-flammable and can lower the pH of a solution when dissolved in water, forming carbonic acid (H₂CO₃). It is an example of

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

When carbon dioxide dissolves in water it forms _______.

HARD

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

In laboratory burners, we use

MEDIUM

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

A compound, when burnt, gives three oxides. The first turns limewater milky, the second turns anhydrous

{CuSO}_{4}

blue and the third forms an amphoteric compound. The elements present in the compound are

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Dry ice is

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

The principal buffer present in human blood

HARD

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

The reaction between alkali and

{C O}_{2} (g)

is slow. Because -

HARD

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

K O_{2}

is used in life supports in space crafts, submarines and emergency breathing apparatus since it

EASY

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Gas A is bubbled through slaked lime when a white precipitate is formed. On prolonged bubbling the precipitate is dissolved. On heating the resultant solution, the white precipitate reappears with evolution of gas B. The gases A and B respectively are

HARD

Science>Chemistry>Industrial Chemistry>Compounds of Carbon

Gas (A) + NaOH ⟶ B \overset{Δ}{⟶} C \overset{H^{+}}{⟶} D

C

and

D

decolourises acidified

{KMnO}_{4}

. Identify

C

and

D

The shape of carbon dioxide molecule is _____.

Important Questions on Industrial Chemistry

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