Answer: SO2 when passed through water forms a solution of sulphurous acid. SO2(g) + H2O (l) →H2SO3 (aq) When SO2 is passed through water,... View Article
Answer: The raw material used for chloro alkali process is Sodium Chloride. When a concentrated solution of sodium chloride is electrolysed,... View Article
Answer: Metal sols are prepared by making electrode of the metals and immersed in dispersion medium and electric arc is struck. This process... View Article
Answer: 15° The Earth rotates on its axis and every 24 hours, it completes one full rotation. These 24 hours are also shown on our clocks. The... View Article
Answer: Chemical Bonding refers to the formation of a chemical bond between two or more atoms, molecules, or ions to give rise to a chemical... View Article
Answer: All living entities require energy to sustain and maintain life. Plants and animals slightly differ in their raw material intake for... View Article
Answer:The rate of change of momentum is directly proportional to the force. The resultant force is equal to the rate of change of momentum.... View Article
Answer: Khadar is the newer deposits of alluvial soil. Alluvial soils are generally associated with river floodplains, but alluvial soils are... View Article
Answer: Hydrogen gas is not evolved when a metal reacts with nitric acid because nitric acid is a strong oxidizing agent; it oxidizes the... View Article
Answer: 4 Valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. The... View Article
We need to calculate how many atoms does one mole of Phosphorus contain. First let us know about the Phosphorous atom. Phosphorus is a highly... View Article
Answer: Heating limestone at a temperature of 1070K we get quick lime i.e. CaO. CaCO3 ⇌ CaO (s) + CO2 (s) Calcium oxide can be produced by... View Article
Answer: The atomic number of nitrogen is 7, the electronic configuration of nitrogen is, N(Z=7) =Â 1s2Â 2s2Â 2p3 To complete the octet structure... View Article
Answer: Potassium hydroxide electrolyte is used in a nickel cadmium cell. The nickel–cadmium battery is a rechargeable battery with electrodes... View Article
Answer: Energy is provided by the breakdown of glucose molecules, respiration is referred to as a catabolic process. Both Glucose is broken down... View Article
Answer: Strong nuclear force In nature, there are four universal or fundamental forces. Without these forces, all matter in the world will fall... View Article
Answer: Temperature is the energy state of the matter. The temperature of an object can be defined by the average kinetic energy of its atoms... View Article
Answer: Above 60oC, baking soda gradually decomposes into sodium carbonate, water and carbon dioxide. Baking soda is a white crystalline... View Article
Answer: An ore of tin-containing FeCrO4 is concentrated by magnetic separation as FeCrO4 is ferromagnetic in nature. Magnetic separation based... View Article
