Best Science GK Questions for SSC Exams
HCl is an Arrhenius ___________
(A) Acid
(B) Base
(C) Salt
(D) Water
Correct Answer : A
Which of the following is not a lewis acid?
(A) aluminum chloride
(B) sodium ion
(C) Sulphur tetrafluoride
(D) hydroxide ion
Correct Answer : D
A strong acid has a ______________
(A) Weak conjugate acid
(B) Weak conjugate base
(C) Strong conjugate base
(D) Strong conjugate acid
Correct Answer : B
Which of the following is a Lewis base?
(A) Ammonia
(B) Magnesium chloride
(C) Aluminum chloride
(D) Sodium ion
Correct Answer : A
Identify a conjugate pair in the equation:
NH3 + H2O ⇌ NH4+ + OH–.
(A) Ammonia and water
(B) Water and hydroxide ion
(C) Ammonium ion and hydroxide ion.
(D) Ammonia and hydroxide ion
Correct Answer : B
Water in case of HCl acts as a/an ___________, in case of ammonia acts as a/an ________
(A) Base, base
(B) Base, acid
(C) Acid, base
(D) Acid, acid
Correct Answer : B
Why do we boil the extract with conc. HNO3 in Lassaigne’s test for halogens?
(A) To increase the concentration of NO3- ions
(B) To increase the solubility product of AgCl
(C) It increases the precipitation of AgCl
(D) For the decomposition of Na2S AND NaCN formed
Correct Answer : D
How many different types of teeth are present in humans?
(A) Two
(B) Three
(C) Four
(D) Five
Correct Answer : C
Epiglottis is made up of which of the following tissues?
(A) Ligament
(B) Tendon
(C) Cartilage
(D) Bone
Correct Answer : C
Which of the following is not a major component of the food?
(A) Carbohydrates
(B) proteins
(C) Vitamins
(D) Fats
Correct Answer : C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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