NTA JEE Main 3rd April 2016 Offline
For the following questions answer them individually
NTA JEE Main 3rd April 2016 Offline - Question 41
The distillation technique most suited for separating glycerol from spent - lye in the soap industry is:
NTA JEE Main 3rd April 2016 Offline - Question 42
The reaction of propene with HOCl ($$Cl_2 + H_2O$$) proceeds through the intermediate:
NTA JEE Main 3rd April 2016 Offline - Question 43
The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb, 40 ppb, 100 ppm and 0.2 ppm, respectively. This water is unsuitable for drinking due to high concentration of:
NTA JEE Main 3rd April 2016 Offline - Question 44
18 g glucose ($$C_6H_{12}O_6$$) is added to 178.2 g water. The vapour pressure of water (in torr) for this aqueous solution is:
NTA JEE Main 3rd April 2016 Offline - Question 45
Galvanization is applying a coating of:
NTA JEE Main 3rd April 2016 Offline - Question 46
Decomposition of $$H_2O_2$$ follows a first order reaction. In fifty minutes the concentration of $$H_2O_2$$ decreases from 0.5 to 0.125 M in one such decomposition. When the concentration of $$H_2O_2$$ reaches 0.05 M, the rate of formation of $$O_2$$ will be:
NTA JEE Main 3rd April 2016 Offline - Question 47
For a linear plot of log $$\left(\frac{x}{m}\right)$$ versus log p in a Freundlich adsorption isotherm, which of the following statements is correct? (k and n are constants)
NTA JEE Main 3rd April 2016 Offline - Question 48
The hottest region of Bunsen flame shown in the figure below is:
NTA JEE Main 3rd April 2016 Offline - Question 49
Which one of the following ores is best concentrated by froth flotation method?
NTA JEE Main 3rd April 2016 Offline - Question 50
The pair in which phosphorous atoms have a formal oxidation state of +3 is:
