set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on acids, bases, salts and metals topic of general science mcq
- In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place.
- In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place.
- Oxidizing agent decreases the oxidation number but reducing agent increases the oxidation number.
- Oxidizing agent increases the oxidation number but reducing agent reduces the oxidation number.
(a) 2 and 3
(b) 1 and 3
(c) 2 and 4
(d) 1 and 4
The correct answers to the above question in:
Answer: (d)
Discuss Form
Read more chemistry ncert Based General Science Questions and Answers
Question : 1
Match List I with List II and select the correct answer using the codes given below the lists:
List-I | List-II |
A. Blue vitriol | 1. Sodium bicarbonate |
B. Epsom salt | 2. Sodium hydroxide |
C. Baking soda | 3. Magnesium sulphate |
D. Caustic soda | 4. Copper sulphate |
a) A-3; B-4; C-1; D-2
b) A-3; B-4; C-2; D-1
c) A-4; B-3; C-2; D-1
d) A-4; B-3; C-1; D-2
Answer »Answer: (d)
Question : 2
What is anode mud ?
a) Impurities collected at anode in electrolysis during purification of metals
b) Fan of anode
c) Metal of anode
d) All of these
Answer »Answer: (a)
Question : 3
‘Alum’ is an example of –
a) double salt
b) acids
c) single salt
d) none of these
Answer »Answer: (a)
$K_2SO_4 + Al_2(SO_4)_3 .24H_2O$ ⟶ Alum
Question : 4
Which of the following acid do not contain Oxygen?
a) Sulphuric Acid
b) Hydrochloric Acid
c) Nitric Acid
d) All of the above
Answer »Answer: (b)
Question : 5
Which one of the following is coated on the photographic plate?
a) Silver bromide
b) Silver chloride
c) Silver oxide
d) Silver iodide
Answer »Answer: (a)
Question : 6
Which of the following pairs of substances are chemically same?
a) Dead burnt plaster and gypsum
b) Both the above
c) Lime water and milk of lime
d) None of the above
Answer »Answer: (c)
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »