set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on some important man made materials topic of general science mcq
(a) melts only above 1000°C
(b) vapourises
(c) does not melt at a fixed temperature
(d) None of these
The correct answers to the above question in:
Answer: (c)
Discuss Form
Read more chemistry test online Based General Science Questions and Answers
Question : 1
Which one of the following is not contained in portland cement ?
a) Ca2 SiO4
b) Ca3 SiO5
c) Ca3Al2O6
d) Ca3 (PO4)2
Answer »Answer: (d)
A typical composition for portland cement is CaO, SiO2, Al2O3, Fe2O3, CaSO4 .2H2O.
∴ Ca3 (PO4)2 is not contained in portland cement.
Question : 2
Soft soaps are
a) potassium salt of fatty acids
b) sodium salt of fatty acids
c) sodium and potassium salt
d) potassium salt of sulphonic acids
Answer »Answer: (a)
Question : 3
Which substance is used to retard the setting action of cement?
a) CaSO4 , 2H2O
b) Al2O3
c) CaO
d) Na2O + K2O
Answer »Answer: (a)
CaSO4 . 2H2O (gypsum) is added to cement clinker to retard setting action of cement.
Question : 4
Which one of the following is not present in cement?
a) Alum
b) Alumina
c) Clay
d) Gypsum
Answer »Answer: (a)
Gypsum is added in calculated quantity in order to adjust the rate of setting of cement. Alum is NOT present in cement.
Question : 5
Deficiency of vitamin E causes
a) Hemolytic anemia
b) Scurvy
c) Beriberi
d) None of these
Answer »Answer: (a)
Question : 6
Deficiency of vitamin A results in
a) sterility
b) skin diseases
c) lose in apetite
d) retarted growth
Answer »Answer: (d)
In childhood, lack of vitamin A retards growth and hence like other vitamins, it is also said to be a growth-promoting factor.
In mild deficiency, it leads to night blindness. Its prolonged deficiency leads to xerophthalmia.
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
SSC STENO: Speed Time and Distance MCQ Questions Test PDF
Free Time and Distance Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Download PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »
SSC STENO: Time & Work Questions Solved Problems with PDF
Free Time and work Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Downloadable PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »
SSC STENO 2024: Free Reading Comprehension MCQ Test PDF
Top Reading Comprehension English Section-wise multiple choice questions and answers, Full Mock Test Series & Online Quiz for SSC Steno Grade C & D 2024 Exam
Continue Reading »
Free Percentage Questions Answers for SSC STENO 2024 Exam
Important Top Percentage Aptitude-based multiple choice questions and answers practice quiz series, Online Mock Test PDF for SSC Steno Grade C & D 2024 Exam
Continue Reading »