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An aqueous solution of $6.3 g$ dihydrate oxalic acid is made up to $250 mL$ . The volume of $0.1 N NaOH$ , required to completely neutralize $10 mL$ of this solution is:

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Important Questions on Some Basic Concepts of Chemistry

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 59

Two solutions of a substance (non-electrolyte) are mixed in the following manner

480 mL

1.5 M

of the first solution with

520 mL

1.2 M

of the second solution. The molarity of the final solution is:

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 60

Find out which of the following changes with an increase in temperature:

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 61

44 g

of a sample on complete combustion, gives

88 g

{CO}_{2}

and

36 g

H_{2} O

. The molecular formula of the compound may be:

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 62

Suppose in a compound

C, H, N

atoms are present in

9 : 1 : 3.5

by weight. The molecular weight of the compound is

108

. Its molecular formula is

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 63

Assuming the human body having

80 %

water, the number of molecules present in the body of a person of mass

65 kg

are-

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 64

The weight of one litre of diatomic gas at

NTP is 1.42 g

. The weight of one atom of this gas is

(N_{0} = Avogadro's number)

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 65

Find out the normality of a solution obtained by mixing

0.45 N KOH

and

0.60 N

NaOH

in the ratio

2 : 1

by volume.

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Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 66

Figure out which of the following statements is/are correct?

a. $1$ mole of ${CH}_{4}$ and $17 g$ of ${NH}_{3}$ occupy the same volume at $NTP$ .

b. $2$ moles of $K$ weigh less than that of $1 mole of Ag$ .

c. $1$ atom of silver weighs $\frac{108}{6.022 \times 10^{23}} g$ .

d. $1$ amu of ${CO}_{2}$ is $6.023 \times 10^{23}$ times heavier than $1$ molecule of ${CO}_{2}$ .

An aqueous solution of 6.3 g dihydrate oxalic acid is made up to 250 mL. The volume of 0.1 N NaOH, required to completely neutralize 10 mL of this solution is:

Important Questions on Some Basic Concepts of Chemistry

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An aqueous solution of $6.3 g$ dihydrate oxalic acid is made up to $250 mL$ . The volume of $0.1 N NaOH$ , required to completely neutralize $10 mL$ of this solution is: