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Amongst the given option, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any), is/are

The amount of oxygen that would be consumed if the all organic matter in one liter of water oxidised by bacteria is called ?

There are 3 doors to a lecture room. In how many ways can lecturer enter the room from one door and leave from another door?

If one wished to remove substantially all of all chloride ions from an aqueous solution, this could be done by the addition of an aqueous solution of

What will happen if we kill all the organisms in one trophic level?

Flagellated male gametes are present in all the three of which one of the following sets

Largest wavelength is associated with which one of the following . If all these travel with same velocity

State any one property which is common to all electromagnetic waves.

Flagellated male gametes are present in all the three of which one of the following sets

Assertion : In CH_(2)=C=CH_(2) , all the carbon atoms are sp^(2) -hybridized. Reason : All the hydrogen atoms lie in one plane.