What do you understand by limiting reactant? from Chemistry Som

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 Multiple Choice QuestionsShort Answer Type

51.

From where the word stoichometry has been derived?

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52.

What do you understand by limiting reactant?


 

When in reaction, one rectant is in excess over the other. The reactant which is present in the lesser amount gets consumed after  sometimes and after no further reaction takes place whatever be the amount of the other reactant present. Hence, the reactant which gets consumed, limits the amount of product formed and, therefore, called the liminting reagent.

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53.

Define molality (m).

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54.

What is the S.I. unit of molarity?

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 Multiple Choice QuestionsLong 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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 Multiple Choice QuestionsShort 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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