Basic Concepts in Chemistry (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 1 - 3 of 91

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Question number: 1

» Basic Concepts in Chemistry » Matter and Its Nature

MCQ▾

Question

Those which do not allow the flow of current through them are termed as?

Choices

Choice (4) Response

a.

Electrolyte

b.

Conductors

c.

Electrodes

d.

Insulators

Question number: 2

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

5.70 gm of metal carbonate was dissolved in 50ml of 2 (N) Equation . The excess acid was neutralized by 10 ml of 1 (N) Equation . What is the equivalent wt. of metal?

Choices

Choice (4) Response

a.

19

b.

30

c.

33.33

d.

40

Question number: 3

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

Choose the correct statements

(1) If W1 gm of the element X combines with w2 gm of Equation then the equiv. wt. of Equation

(2) If metallic zinc or iron be added to a solution of silver nitrate or copper sulphate, finely Equation

Divided silver or copper is precipitated then

Equation

(3) If W1 gm. of the element ‘X’ combines with w2 gm. of Equation then the equiv. wt. of X = Equation

(4) If metallic zinc or iron be added to a solution of silver nitrate or copper sulphate, finely

Equation

Divided silver or copper is precipitated then Equation

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

Choices

Choice (4) Response

a.

1 and 3 are correct

b.

2 and 4 are correct

c.

1, 2 and 3 are correct

d.

1 and 2 are correct

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