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Chemistry

Grade-10

Easy

Question

Which of the following substance is not manufactured by calcium carbonate?

hint Hint:

Calcium carbonate is not used in plastic items.

The correct answer is:

Calcium carbonate has a cleansing property used in soap making.

Calcium carbonate is used in making glass.

Calcium carbonate is a component of paper.

Calcium carbonate is not used in plastic items.

Related Questions to study

Which of the following compound is used for softening of water?

Which of the following compound is used for softening of water?

ChemistryGrade-10

Different steps involved in the preparation of sodium carbonate by the Solvay process are given below. Arrange them in the correct sequence.
$text (l) end text Ca left parenthesis OH right parenthesis subscript 2 left parenthesis space straight s right parenthesis plus 2 NH subscript 4 Cl left parenthesis aq right parenthesis rightwards arrow 2 NH subscript 3 left parenthesis space straight g right parenthesis plus CaCl subscript 2 text (aq) end text plus 2 straight H subscript 2 straight O left parenthesis text 1) end text$
$text (II) end text 2 NaHCO subscript 3 ⟶ with 50 minus 1000 straight C on top Na subscript 2 CO subscript 3 plus straight H subscript 2 straight O plus CO subscript 2$
$text (III) end text open parentheses NH subscript 4 close parentheses HCO subscript 3 plus NaCl ⟶ with 30 degree straight C on top NaHCO subscript 3 plus NH subscript 4 Cl$
$text (IV) end text CaO plus straight H subscript 2 straight O rightwards arrow Ca left parenthesis OH right parenthesis subscript 2$

Different steps involved in the preparation of sodium carbonate by the Solvay process are given below. Arrange them in the correct sequence.
$text (l) end text Ca left parenthesis OH right parenthesis subscript 2 left parenthesis space straight s right parenthesis plus 2 NH subscript 4 Cl left parenthesis aq right parenthesis rightwards arrow 2 NH subscript 3 left parenthesis space straight g right parenthesis plus CaCl subscript 2 text (aq) end text plus 2 straight H subscript 2 straight O left parenthesis text 1) end text$
$text (II) end text 2 NaHCO subscript 3 ⟶ with 50 minus 1000 straight C on top Na subscript 2 CO subscript 3 plus straight H subscript 2 straight O plus CO subscript 2$
$text (III) end text open parentheses NH subscript 4 close parentheses HCO subscript 3 plus NaCl ⟶ with 30 degree straight C on top NaHCO subscript 3 plus NH subscript 4 Cl$
$text (IV) end text CaO plus straight H subscript 2 straight O rightwards arrow Ca left parenthesis OH right parenthesis subscript 2$

ChemistryGrade-10

In the Solvay process, the raw material which is used is

In the Solvay process, the raw material which is used is

ChemistryGrade-10

parallel

Read the given following paragraph and fill in the blanks by choosing an appropriate option.
Baking powder is a mixture of _A_ and mild edible acid _B_. When it is heated, the product formed is _C_ which makes cakes and doughnuts spongy.
Identify A, B and C, respectively, in the above changes?

Read the given following paragraph and fill in the blanks by choosing an appropriate option.
Baking powder is a mixture of _A_ and mild edible acid _B_. When it is heated, the product formed is _C_ which makes cakes and doughnuts spongy.
Identify A, B and C, respectively, in the above changes?

ChemistryGrade-10

Which of the following substance is used in fire-extinguisher?

Which of the following substance is used in fire-extinguisher?

ChemistryGrade-10

Sodium carbonate is ………. in water.

Sodium carbonate is ………. in water.

ChemistryGrade-10

parallel

The intermediate product of the Solvay process is ………

The intermediate product of the Solvay process is ………

ChemistryGrade-10

Which of the following represent the anhydrous sodium carbonate?

Which of the following represent the anhydrous sodium carbonate?