(A) Ionic bond
(B) Covalent bond
(C) Dative bond
(D) Electrovalent bond
Answer: (B) Covalent bond
Category: Chemistry MCQs Class 9
Chemistry MCQs questions with answers of class 9 or 9th class. SSC Part-I chemistry multiple choice questions from past papers.
An object appears lighter in water because one of the property of matter is:
(A) Pressure
(B) Buoyancy
(C) Surface Tension
(D) Viscosity
Answer: (B) Buoyancy
An object appears lighter in water because one of the property of matter is buoyancy.
44 a.m.u. of carbon dioxide is called its:
(A) Molar mass
(B) Molecular mass
(C) Atomic mass
(D) Mass number
Answer: (B) Molecular mass
Molecular mass of carbon dioxide is 44 a.m.u.
Einstein’s mass energy equivalence is given by E = __________ .
(A) mv
(B) mc2
(C) mc
(D) mv2
Answer: (B) mc2
Einstein’s mass energy equivalence is given by E = mc2.
Charge of the electron is equivalent to:
(A) 1.6 x 10-16 Coulomb
(B) 1.602 x 10-17 Coulomb
(C) 1.67 x 10-18 Coulomb
(D) 1.602 x 10-19 Coulomb
Answer: (D) 1.602 x 10-19 Coulomb
Charge of the electron is equivalent to 1.602 x 10-19 Coulomb.