Q. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is
? 3.05 gram
Q. The metal that is used as a catalyst in the hydrogenation of oils is
? Ni
Q. The most abundant rare gas in the atmosphere is
? Ar
Q. The ore which is found in abundance in India is
? Monazite
Q. The inherited traits of an organism are controlled by
? DNA molecules
Q. What are the number of moles of CO2 which contains 16 g of oxygen ?
? 0.5 mole
Q. The monomer of polythene is
? Ethylene
Q. The most malleable metal is
? Gold
Q. The oil used in the froth floatation process is
? Pine oil
Q. The items amenable to detection by soft x-rays are
? Genuine coins from counterfeit coins
Q. The gas used in the manufacture of vanaspati from vegetable oil is
? Hydrogen
Q. The first metal used by man was
? Copper
And 1 is 0.386 gm