What is the correct about the movement of substance across the membrane in facilitated diffusion?
Options
(a) it is an active transport (b) it doesn’t cause transport of molecules from low concentration to […]
Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in
Options
(a) maximum covalency in compounds (b) exhibiting amphoteric nature in their oxides (c) forming covalent halides (d) […]
The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.The reaction involves
Options
(a) free radical (b) carbocation (c) carbanion (d) carbene
Correct Answer:
free radical
Explanation:
No explanation available. Be the […]
The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is
Options
(a) methyl amine (b) ethyl amine (c) diethyl amine (d) triethyl amine
Correct Answer:
methyl […]
100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is
Options
(a) 10% H₂O₂ (b) 90% H₂O₂ (c) 10 volume H₂O₂ (d) 100 volume […]
Butter is an example of which type of colloid
Options
(a) Solid in liquid (b) Liquid in solid (c) Liquid in liquid (d) Gas in liquid
Correct Answer:
Liquid in solid
Explanation:
No […]
When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be
Options
(a) 2.5ppm (b) 25ppm (c) 250ppm (d) 100ppm
Correct Answer:
25ppm
Explanation:
No explanation available. Be the first […]
A fruit developed from a condensed inflorescence is
Options
(a) simple fruit (b) aggregate fruit (c) composite fruit (d) etaerio fruit
Correct Answer:
composite fruit
Explanation:
No explanation available. Be the first to […]
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