In the myopia eye defect the rays of light
In the myopia eye defect, the rays of light
Options
(a) Do not enter the eye at all (b) Come to a focus at back of retina (c) Come to a focus in […]
AIIMS2003
Hill reaction occurs in
Hill reaction occurs in
Options
(a) High altitude plants (b) Total darkness (c) Absence of water (d) Presence of ferredoxin
Correct Answer:
Presence of ferredoxin
Explanation:
No explanation available. Be the first to […]
For sound good reflex actions we require intact
For sound (good) reflex actions we require intact
Options
(a) spinal cord (b) medulla oblongata (c) hypothalamus (d) cerebellum
Correct Answer:
spinal cord
Explanation:
Reflex action is controlled by spinal cord as well […]
Which one of the following has ΔS⁰ greater then zero
Which one of the following has ΔS⁰ greater then zero
Options
(a) CaO(s)+ CO₂(g) ⇌ CaCO₃(s) (b) NaCl(aq) ⇌ NaCl(s) (c) NaNO₃(s) ⇌ Na⁺(aq) + NO₃⁻(aq) (d) N₂(g) + 3H₂(g) ⇌ 2NH₃(g)
Correct Answer: […]
One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.
One gram sample NH₄NO₃ is decomposed in a bomb calorimeter.The temperature of the calorimeter increases by 6.12K.The heat capacity of the system is 1.23kJ/g/deg.What is the molar heat of decomposition for NH₄NO₃
Options
(a) […]
The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains
The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains
Options
(a) ClO₂ (b) NOCl (c) NCl₃ (d) N₂O₄
Correct Answer:
NOCl
Explanation:
No explanation available. Be the first to write […]
The reagent commonly used to determine hardness of water titrimetrically is
The reagent commonly used to determine hardness of water titrimetrically is
Options
(a) oxalic acid (b) disodium salt of EDTA (c) sodium citrate (d) sodium thiosulphate
Correct Answer:
disodium salt of EDTA
Explanation: […]
In which of the following acid – base titration,pH is greater than 8
In which of the following acid – base titration,pH is greater than 8 at equivalence point
Options
(a) acetic acid versus ammonia (b) acetic acid versus sodium hydroxide (c) hydrochloric acid versus ammonia […]
In which one of the following is not a buffer solution
In which one of the following is not a buffer solution
Options
(a) 0.8 M H₂S + 0.8 M KHS (b) 2 M C₆H₅NH₂ + 2 M C₆H₅NH₃⁺Br⁻ (c) 3 M H₂CO₃ + […]
MnO₄²⁻ (1 mole) in neutral aqueous medium is disproportionated to
MnO₄²⁻ (1 mole) in neutral aqueous medium is disproportionated to
Options
(a) 2/3 mole of MnO₄⁻ and 1/3 mole of MnO₂ (b) 1/3 mole of MnO₄⁻ and 2/3 mole of MnO₂ (c) 1/3 […]