The reaction of calcium with water is represented by the equation,
What volume of at STP would be liberated when 8 g of calcium completely reacts with water?
8 g of calcium will produce
Two oxides of a metal contain 50% and 40% metal (M) respectively. If the formula of first oxide is the formula of second oxide will be
No reacts with to form When 10 g of is formed during the reaction, the mass of consumed is
100 tons of containing 20% impurities will give iron by reduction with equal to
Hydrocarbon X contains 3 g carbon per gram of hydrogen. Simplest formula of the hydrocarbon X is:
Equal weights of Zn metal and iodine are mixed together and is completely converted to What fraction by weight of original Zn remains unreacted? (Zn = 65, I = 127)
changes to on reaction with . There is:
Which of the following has maximum mass?
The mass of one atom of hydrogen is approximately
5.6 L of a gas at NTP are found to have a mass of 11 g. The molecular mass of the gas is
10 mL of a hydrocarbon on complete combustion gave 30 mL of and 20 mL of Molecular formula of the hydrocarbon is: