The oxidation state of phosphorus in hypophosphoric acid is + _____
When $Cu ^{2+}$ ion is treated with $KI$, a white precipitate, $X$ appears in solution The solution is titrated with sodium thiosulphate, the compound $Y$ is formed $X$ and $Y$ respectively are
Match items of column I and II
Adding surfactants in non polar solvent, the micelles structure will look like
$Nd ^{2+}=$ ___________
Which transition in the hydrogen spectrum would have the same wavelength as the Balmer type transition from $n =4$ to $n =2$ of $He ^{+}$spectrum
Identify $X , Y$ and $Z$ in the following reaction (Equation not balanced) $ClO + NO _2 \rightarrow \underline{ X } \stackrel{ H _2 O }{\longrightarrow} \underline{ Y }+\underline{Z}$
Which one of the following statements is correct for electrolysis of brine solution?
A protein ' $X$ ' with molecular weight of $70,000 u$, on hydrolysis gives amino acids One of these amino acid is
Consider the above reaction and identify the product B.
The methods NOT involved in concentration of ore areA LiquationB LeachingC ElectrolysisD Hydraulic washingE Froth floatationChoose the correct answer from the options given below :
Which of the following artificial sweeteners has the highest sweetness value in comparison to cane sugar?
The correct order of basicity of oxides of vanadium is
The correct sequence of reagents for the preparation of Q and R is:
The radius of the $2^{\text {nd }}$ orbit of $Li ^{2+}$ is $x$. The expected radius of the $3^{\text {rd }}$ orbit of $Be ^{3+}$ is
A cubic solid is made up of two elements $X$ and $Y$ Atoms of $X$ are present on every alternate corner and one at the enter of cube $Y$ is at $\frac{1}{3} td$ of the total faces The empirical formula of the compound is
