Answer: Option (d) Ea A Catalyst is a substance that changes the reaction rate without affecting the overall energetics of the reaction or... View Article
Bakelite is a condensation polymer of formaldehyde and phenol. Bakelite is a thermosetting plastic which is a poor conductor of heat and... View Article
Nitric Acid (HNO3) is known as Queen of acids. It is fuming and corrosive. It is a powerful oxidizing agent, and reacts violently with many... View Article
By applying high pressure and lowering the temperature the ammonia gas can be liquified. When a high pressure is applied to ammonia gas, it gets... View Article
Major product of chlorination of ethyl benzene is 1-chloro-1-phenylethane. In this reaction, C6H5-CH(Cl)-CH3 (1-chloro-1-phenylethane) which is... View Article
n factor for acids is its basicity,ie, no of replaceable hydrogen ion per molecule. For a base number of OH- ions that a molecule of base could... View Article
Formic acid and Formaldehyde when treated with NaHCO3( sodium bicarbonate) Formic acid liberates CO2 on reaction with NaHCO3 while formaldehyde... View Article
Immiscible layers separate out in layers depending on their densities in separating funnel. For example: Kerosene oil and water can be separated... View Article
Answer: Relative molar mass is defined as the smallest mass unit of a compound with one-twelfth of the mass of one carbon – 12 atom. The... View Article
The number of electrons in a neutral atom is equal to the number of protons. The number of protons in the nucleus of the atom is equal to the... View Article
Amorphous Solids are solids where the constituent particles of the matter are arranged in the random manner whereas crystalline Solids are type... View Article
When green copper carbonate{CuCO3} is heated it decomposes forming copper oxide {CuO} and carbon dioxide {CO2}. This is a decomposition reaction.... View Article
An alternative way to writing a correct formula for an ionic compound is to use the criss-crossmethod. The numerical value of each of the ion... View Article
Though silver is a very good conductor of electricity primarily due to its cost, that is not used in electric wiring. Copper is a very good... View Article
Answer: Molal elevation constant or ebullioscopic constant is defined as the elevation in boiling point when one mole of non-volatile solute is... View Article
Zinc does not react directly with water. It depends on the temperature of both, the zinc metal and the water. Under normal conditions, zinc does... View Article
Condensation is the change of physical state of matter from a gaseous phase into a liquid phase while precipitation is the change of physical... View Article
H2SO4 by conventional method. Let x be the oxidation number of S 2(+1) + x + 5 (−2) = 0 x = +8 S can't be 8 or more than 8 because S has... View Article
These are the plastics that can be deformed easily on heating and can bend also. Polyethylene, polypropylene, polyvinyl chloride These are... View Article
