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Practice Online Test Series for JEE Main 2018 & NEET 2018
Which of the following oxides is most acidic?
Which of the following oxyacid of phosphorus is expected to act as a reducing agent?
Least acidic and most acidic oxides of nitrogen are
The hydrolysis of `PCl_3`, produces
The percentage of nitrogen in urea is about
The sequence of acidic character is
Sodium hexametaphosphate is known as
Which one of the following is a mixed anhydride?
The increasing order of boiling point of hydrides of group 15 elements is
The industrial preparation of nitric acid by ostwald’s process involves
The correct order of decreasing acid strength of oxy acids of group 15 elements is
Which of the following oxidation states are the most characteristic for lead and tin, respectively?
Which of the following anion is present in the chain structure of silicates?
Which of the following oxide is amphoteic?
Which one of the following noble gas is not found in atmosphere?
The boiling points of three volatile liquids A, B & C respectively are 380 K, 400 K and 298 K. The most volatile liquid among them is
If the vapour pressure of toluene at 315 K is 60 torr & that at 355 K is 300 torr then enthalpy of vaporization of toluene is (log 2=0.3)
Mole fraction of toluene in the vapour phase which is in equilibrium with a solution of benzene (`p^0=120` torr) and toluene (`p^0 = 80` torr) having 2.0 mole of each is:
Which of the following plots represents an ideal binary mixture?
At a given temperature, total vapour pressure in Torr of a mixture of volatile components A and B is given by `P_(Total)=120-75 X_B` hence, vapour pressure of pure A and B respectively (in Torr) are
