Which of the following aqueous solutions should have the highest boiling point ?
Which of the following ions will cause hardness in water ?
During the fusion of organic compound with sodium metal, nitrogen present in the organic compound is converted into
The reagent 'X' used for the following reaction is
Dead burnt plaster is
$1.0 \, g$ of Mg is burnt with 0.28 g of $O_2$ in a closed vessel. Which reactant is left in excess and how much ?
Which of the following molecules has the maximum dipole moment?
$Be^{2+}$ is isoelectronic with which of the following ions?
What products are formed when the following compound is treated with $Br_2$ in the presence of $FeBr_3?$
Among the following sets of reactants which one produces anisole?
Calculate the energy in joule corresponding to light of wavelength 45 nm (Planck's constant, $h=6.63\times10^{-34}$ Js; speed of light, $c=3\times 10^{8}$.
Identity Z in the sequence of reactions, $CH_3 CH_2 CH=CH_2 \xrightarrow{HBr/H_2 O_2}Y \xrightarrow{C_2H_5 ON_a}Z$
Which of the following hormones is produced under the condition of stress which stimulates glycogenolysis in the liver of human beings?
Which of the following will not be soluble in sodium hydrogen carbonate?
D-(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be
Artificial sweetener which is stable under cold conditions only is
1.0 g of magnesium is burnt with 0.56 g $O_2$ in a closed vessel. Which reactant is left in excess and how much ? (At. wt. Mg = 24 ; O = 16)
The process of growth is maximum during :
Select the correct match
Which of the following is not an attribute of a population ?
Identify the wrong statement with reference to the gene T that controls ABO blood groups.
identify the substances having glycosidic bond and peptide bond, respectively in their structure
The infectious stage of Plasmodium that enters the human body i s
The roots that originate from the base of the stem are:
In which of the following techniques, the embryos are transferred to assist those females who cannot conceive ?