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Calcium carbonate is used as (i) a fil...

Calcium carbonate is used as
(i) a filler in cosmetics
(ii) a constituent of chewing gum
an antacid
mild abrasive in toothpaste

A

(i),(ii),(iii),(iv)

B

(i),(ii), (iii)

C

(i),(iii)

D

(i),(iv)

Text Solution

Verified by Experts

The correct Answer is:
A
`CO_(3)^(2-)` ion nullifies `H^(+)` ions. Thus, it is used as an antacid.
`CO_(3)^(2-)+2H^(+)hArrH_(2)CO_(3)`
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Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. Quicklime is used in electric power plants with carbon to check pollution. What product of calcium is formed?

Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. The substance not likely to contain CaCO_(3) is

Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. Slaked lime reacts with chlorine to give

Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. Quiclime is

Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. The drying agent which absorbs CO_(2) and reacts violently with water is

Limestone is a naturally occuring form of calcium carbonate. It is used as building materials and also for manufacture of other building materials such as portland cement. It is used for the production of quickline and slaked lime which have wide applications in chemical, metallugical and construction industry. The pure CaCO_(3) , called precipitated calcium carbonate, is used extensively as filler, providing bulk to materials such as paint, plastics, printing links and rubber. it is also used in toothpastes, cosmetics and antacids. Quicklime and slaked lime are the cheapest and the most widely used bases for neutralising unwanted acids. Lime is used to neutralise acidic soils. An important application of quicklime is in air pollution control for the removal of SO_(2) in electric power plants. slaked lime is used in the manufature of other alkalis and bleacing powder, in sugar refinig, in tanning hide and in water softening. Chemical compound (A) is used to remove temporary hardness from water. It reacts with Na_(2)CO_(3) to generated caustic soda. when CO_(2) is passed through (A) it turns cloudy. What is (A) ?

Give reasons: (i) Graphite is used as a lubricant. (ii) Diamond is used as an abrasive.

R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 11
  1. A suspension of slaked lime in water is called

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  2. Bleaching powder is prepared by passing chlorine into

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  3. Which of the following changes occur when an excess of CO(2)(g) is pas...

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  4. Limestone rock is the commonest form of calcium carbonate which also o...

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  5. Calcium carbonate, commonly called limestone, is prepared by passing C...

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  6. Which of the following in incorrect for CaCO(3) ?

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  7. Calcium carbonate along with is used as a flux in the extraction of m...

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  8. Calcium carbonate is used as (i) a filler in cosmetics (ii) a cons...

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  9. Plaseter of Paris, a white powder, is

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  10. Plaster of Paris is obtained when gypsum is heated to

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  11. Plaster of Paris has a remarkable property of setting with water. On m...

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  12. The raw materials for the manufacture of Portland cement (or just ceme...

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  13. Cement is essentially a finely powdered mixture of calcium silicates a...

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  14. Which of the following in incorrect ?

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  15. All enzymes that utilize ATP in phosphate transfer require

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  16. The main pigment for the absorption of light in green plants is chloro...

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  17. About 99% of body Ca is present in bones and teeth as

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  18. Ca^(2+) ions play an important role in (i) neuromuscular function ...

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  19. The calcium concentration in plasma is regulated at about mg L^(-1).

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  20. Bone is not an inert and unchanging substance but is continuously bein...

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