KVPY Stream-SA (Class 11) Chemistry: Questions 79 - 83 of 133

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 133 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 150.00 or

Question number: 79

» Chemical Bonding » Ionic and Covalent Bonds

Appeared in Year: 2009

MCQ▾

Question

The pair in which the first compound is ionic and the second compound is covalent, is-

Choices

Choice (4) Response

a.

Ca(OH) 2 ,Cu(OH) 2

b.

Fe(OH) 2 ,Cu(OH) 2

c.

Fe(OH) 2 ,CH 3 OH

d.

CH 3 OH,CH 3 CH 2 OH

Question number: 80

» Equilibrium » Ionic Equilibrium » pH Scale

Appeared in Year: 2014

MCQ▾

Question

The pH of 0.1 M aqueous solutions of NaCl,CH3COONaandNH4Cl will follow the order

Choices

Choice (4) Response

a.

NH4Cl<CH3COONa<NaCl

b.

NH4Cl<NaCl<CH3COONa

c.

NaCl<CH3COONa<NH4Cl

d.

NaCl<NH4Cl<CH3COONa

Question number: 81

» Atomic Structure » Electronic Configuration of Elements

Appeared in Year: 2015

MCQ▾

Question

The element, which readily forms an ionic bond, has the electronic configuration

Choices

Choice (4) Response

a.

1 s2 2 s2 2 p3

b.

1 s2 2 s2 2 p2

c.

1 s2 2 s2 2 p1

d.

1 s2 2 s2 2 p6 3 s1

Question number: 82

» Day to Day Chemistry » Medicines » Analgesics

Appeared in Year: 2012

MCQ▾

Question

Acetylsalicylic acid is a painkiller and is commonly known as:

Choices

Choice (4) Response

a.

aspirin

b.

ibuprofen

c.

Paracetamol

d.

penicillin

Question number: 83

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

Appeared in Year: 2009

MCQ▾

Question

In the reaction SO 2 +2H 2 S3S+2H 2 O , the substance that is oxidized is-

Choices

Choice (4) Response

a.

S

b.

H 2 S

c.

SO 2

d.

H 2 O

Sign In