High ionisation energy indicates that
High ionisation energy indicates that
Options
(a) atom size is large (b) atom size is small (c) atom is metallic (d) valence electrons are held tightly by the atom
Correct Answer:
atom size […]
Chemistry
An electron with values 4,1,-1 and +1/2 for the set of four quantum numbers
An electron with values 4,1,-1 and +1/2 for the set of four quantum numbers n,l,m and s, respectively belongs to
Options
(a) 4 s-orbital (b) 4 p-orbital (c) 4 d-orbital (d) 4 f-orbital
Magnetic quantum number specifies
Magnetic quantum number specifies
Options
(a) size of orbitals (b) shape of orbitals (c) nuclear stability (d) orientation of orbitals
Correct Answer:
orientation of orbitals
Explanation:
No explanation available. Be the first to […]
Mass of 0.1 mole of methane is
Mass of 0.1 mole of methane is
Options
(a) 1.6 g (b) 0.1 g (c) 1 g (d) 16 g
Correct Answer:
16 g
Explanation:
No explanation available. Be the first to write […]
Which of the following undergoes sublimation
Which of the following undergoes sublimation
Options
(a) ZnCl₂ (b) CuCl₂ (c) AgCl (d) NH₄Cl
Correct Answer:
NH₄Cl
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
In the gas equation ,PV = nRT
In the gas equation ,PV = nRT
Options
(a) V is the volume of one mole of the gas (b) n no. of moles of the gas have volume V (c) n is […]
Pressure is measured by
Pressure is measured by
Options
(a) barometer (b) anemometer (c) hygrometer (d) voltameter
Correct Answer:
barometer
Explanation:
Barometer is an instrument used to measure the pressure.
Which of the following is used as ”anasthesia”
Which of the following is used as ”anasthesia”
Options
(a) N₂O (b) CH₄ (c) N₂ (d) CO₂
Correct Answer:
N₂O
Explanation:
No explanation available. Be the first to write the explanation for this […]
If one strand of DNA has the sequence ATGCTTGA,the sequence in the complementary
If one strand of DNA has the sequence ATGCTTGA,the sequence in the complementary stand would be
Options
(a) TACGAACT (b) TCCGAACT (c) TACGTACT (d) TACGTAGT
Correct Answer:
TACGAACT
Explanation:
No explanation available. Be […]
Night blindness is caused by the deficiency of
Night blindness is caused by the deficiency of
Options
(a) vitamin C (b) vitamin A (c) vitamin B₁₂ (d) vitamin E
Correct Answer:
vitamin A
Explanation:
No explanation available. Be the first to […]