Answer: Methane (from Natural gas) is mixed with steam, compressed at 30 atm pressure and passed over a nickel about 800oC to form water gas.... View Article
Answer: In the Mendeleev periodic table, the vertical columns are called groups and the horizontal rows are called periods. Mendeleev claimed... View Article
Answer: The maximum number of electrons that can be accommodated in an orbit is given by the formula 2n2where n is the number of orbit. Let us... View Article
Answer: Atoms of different elements with different atomic numbers and the same mass number are known as isobars. Isobars are defined as the... View Article
Answer: The homogeneous solids bounded by the plane surfaces directed at definite angles and having definite geometrical shapes are called... View Article
Answer: Speed describes how fast something is going, whereas, velocity describes how fast something is going in a certain direction. Speed is... View Article
Answer: In gases, the volume of particles is negligible as compared to inter-molecular distance hence, gases can be compressed. The three... View Article
Answer: The pressure exerted by an ideal gas is numerically equal to two-third of the mean kinetic energy of translation per unit volume of the... View Article
Answer: In order to find the slope of a given straight line, choose two points on the line, separated by a distance more than half the length of... View Article
Answer: When Sugar is dissolved in water, Sugar is the solute, water is the solvent and sweet water is solution respectively. When sugar... View Article
Answer: When a chemical in a solution form or in a fused state breaks into simple elements by the passage of electric current, the process is... View Article
Answer: Substances that are formed as a result of a chemical reaction are called products and are written on the right-hand side of the... View Article
Answer: When a travelling wave is reflected at a rigid boundary the reflected wave has phase reversal. But reflection at an open boundary has no... View Article
Answer: The force exerted by the floor of an elevator on the foot of a person is more than the weight of the person if the elevator is going up... View Article
Answer: The position of pen seems to be changed when you look at it through your left and right eye with respect to a fixed point on a wall,... View Article
Answer: Weight of the first fertilizer bag = 75 kgs Weight of the second fertilizer bag = 69 kgs The H.C.F of 5 and 69Â is the highest weight... View Article
Answer: Charle’s law states that, “Pressure remaining constant, the volume of a given mass of dry gas increases or decreases by 1/273 of its... View Article
Answer: A chemical reaction involves the breaking up of chemical bonds between atoms resulting in the absorption of energy and simultaneously... View Article
Answer: In Simple Harmonic Motion, motion is executed by a particle that is subject to a force which is proportional to the displacement of the... View Article