set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on classification of elements, chemical bonding, periodicity in properties & physical transformation topic of general science mcq
(a) Determine the structure of substances
(b) Dry distillation of colouring substances
(c) Identify colour substances
(d) Separate the substances from a mixture
The correct answers to the above question in:
Answer: (d)
Practice classification of elements, chemical bonding, periodicity in properties & physical transformation (set 2) Online Quiz
Discuss Form
Read more chemistry Based General Science Questions and Answers
Question : 1
In an attempt to demonstrate electrical conductivity through an electrolyte, the following apparatus (Fig.) was set up. Which among the following statement(s) is (are) correct?
- Bulb will not glow because electrolyte is not acidic
- Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
- Bulb will not glow because circuit is incomplete
- Bulb will not glow because it depends upon the type of electrolytic solution
a) 2 only
b) 1 and 3
c) 2 and 4
d) 4 only
Answer »Answer: (a)
NaOH being strong base furnish OH– ions in solution which are responsible for electrolytic condition.
Question : 2
Identify the incorrect statements regarding entropy.
- At absolute zero temperature, entropy of a perfectly crystalline substance is taken to be zero.
- At absolute zero temperature, the entropy of a perfectly crystalline substance is positive.
- Absolute entropy of a substance cannot be determined.
- At 0°C, the entropy of a perfectly crystalline substance is taken to be zero
a) 1, 2 and 4
b) 1, 2 and 3
c) 1, 3 and 4
d) 2, 3 and 4
Answer »Answer: (d)
Third law of Thermodynamics.
Question : 3
Which one of the following when dissolved in H2 O gives hissing sound?
a) Slaked lime
b) Sodalime
c) Limestone
d) Quicklime
Answer »Answer: (d)
Question : 4
Which one of the following properties changes with valency?
a) Equivalent weight
b) Molecular weight
c) Atomic weight
d) Density
Answer »Answer: (a)
Question : 5
Give thought to following statements.
- In the process of osmosis, the solvent moves towards a dilute solution from the concentrated solution.
- In reverse osmosis internal pressure but upon a dilute solution.
a) Only 2
b) Both 1 and 2
c) Only 1
d) Neither 1 nor 2
Answer »Answer: (d)
Question : 6
The octet rule is not valid for which one of the following molecules?
a) H2S
b) NH3
c) CO2
d) BF3
Answer »Answer: (d)
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
Most Important Antonyms Vocabulary - IBPS Clerk Prelims 2024
Latest Antonyms multiple choice questions and answers with free PDFfor IBPS Clerk Prelims 2024. English Vocabulary practice exercise for all bank exam
Continue Reading »
Syllogism Practice Questions Answers PDF - IBPS Clerk 2024
Practice Verbal Reasoning Syllogism multiple choice questions and answers with Fully solved explanation, PDF for the IBPS Clerk Prelims 2024 Bank Exam
Continue Reading »
IBPS Clerk Prelims 2024 Synonyms Questions Solved Answers
Most important IBPS Clerk Prelims 2024 Synonyms and Antonyms multiple choice questions and answers with detailed solutions, English vocabulary PDF Download
Continue Reading »
New Cloze Test Questions and Answers PDF - IBPS Clerk 2024
The most important Cloze Test questions with detailed answers for upcoming IBPS Clerk prelims 2024. Latest English verbal ability practice MCQs, PDF
Continue Reading »