Basic Concepts in Chemistry (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 11 - 17 of 91

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Question number: 11

» Basic Concepts in Chemistry » Chemical Equations and Stoichiometry

MCQ▾

Question

0.01 equivalent of the mentioned acid will neutralize how many grams of ?

Choices

Choice (4) Response

a.

0.2

b.

0.3

c.

0.4

d.

0.1

Question number: 12

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

The density of at NTP is 1.429 . Calculate the standard molar volume of gas-

Choices

Choice (4) Response

a.

33.6 lit

b.

5.6 lit.

c.

11.2 lit

d.

22.4 lit.

Question number: 13

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

6.90 gm of a metal carbonate were dissolved in 60 ml of 2 (N) . The excess acid was neutralized by 20 ml of 1 (N) . What is the equivalent wt. of metal?

Choices

Choice (4) Response

a.

19

b.

20

c.

40

d.

39

Passage

Read the passage given below and answer the questions that follows :

The oxidation state of the elements in the pure state = 0. The equivalent wt. of the element

E = where x = valency

The equivalent wt. of any compound = sum of the equivalent wt. of component elements or ions.

By using this relation we can calculate the equivalent wt. of any acidic and basic oxide.

Question number: 14 (1 of 2 Based on Passage) Show Passage

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

Equiv. wt. of is -

Choices

Choice (4) Response

a.

33

b.

46.34

c.

26.5

d.

38.3

Question number: 15 (2 of 2 Based on Passage) Show Passage

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

Equiv. wt. of is -

Choices

Choice (4) Response

a.

33

b.

26.5

c.

38.3

d.

46.34

Question number: 16

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

In acting as a reducing agent, a piece of metal M weighing 16 grams gives up electrons. What is the equivalent weight of the metal?

Choices

Choice (4) Response

a.

42.83

b.

32

c.

83.32

d.

21.33

Question number: 17

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

for a reaction:

The correct statements is/are

(1) The equivalent mass of is 41.

(2) is the acid salt

(3) is normal salt

(4) 1 mole of H3PO3 is completely neutralized by 1.5 moles of

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1,2 and 3 are correct

d.

1 and 3 are correct

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