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Some Basic Concepts of Chemistry

Short Answer Type

51.

From where the word stoichometry has been derived?

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52.

What do you understand by limiting reactant?

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53.
Define molality (m).

Molality of a solution is defined as the number of moles of solute dissolved per kg of solvent.

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54.

What is the S.I. unit of molarity?

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Long Answer Type

55.

What do you mean by significant figures?
Or
What do you know about significant figures? What are the rules for determing the number of significant figures?

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56. What do you understand by ‘rounding off’?

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Short Answer Type

57.

Express the following in scientific notation:
0·0048

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58.

Express the following in scientific notation:
234, 000

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59.

Express the following in scientific notation:
8008

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60.

Express the following in scientific notation:
500.0

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Previous Year Papers

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Test Yourself

Short Answer Type

53. Define molality (m).

Long Answer Type

Short Answer Type

53.
Define molality (m).