Chemistry Quiz - 1, General Knowledge

The number of d-electrons in Fe²⁺ (Z = 26) is not equal to that of

The metal used to recover copper from a solution of copper sulphate is

The metallurgical process in which a metal is obtained in a fused state is called

The molecules of which gas have highest speed?

The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is

The main buffer system of the human blood is

The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is

The most commonly used bleaching agent is

The nucleus of a hydrogen atom consists of

The heat required to raise the temperature of body by 1 K is called

The nuclear particles which are assumed to hold the nucleons together are

The mass of P₄O₁₀ that will be obtained from the reaction of 1.33 gram of P₄ and 5.07 of oxygen is

The octane number of zero is assigned to

The metal that is used as a catalyst in the hydrogenation of oils is

The most abundant rare gas in the atmosphere is

The Latin word formica means ant. The name formic acid is derived from this Latin word because

The ore which is found in abundance in India is

The inherited traits of an organism are controlled by

The heat energy produced when the human body metabolises 1 gram of fat is

What are the number of moles of CO2 which contains 16 g of oxygen?

The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of