- KNO3 , NaNO3,
- Cr2O3, fe2O3
- both a and 'b
- none of these
Author: Zabeehullah
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- Coagulation
- Electrophoresis
- Electro – osmosis
- Tyndall effect
- Photochemical smog is formed through photochemical reaction involving solar energy
- Photochemical smog does not cause irritation in eyes and throat.
- Carbon monoxide does not play any role in photochemical smog formation
- Photochemical smog is an oxidising agent in character
- muffle furnace
- blast furnace
- reverberatory fumace
- electric furnace
- There are three carbon-carbon single bonds and three carbon-carbon double bonds.
- Heat of hydrogenation of benzene is less than the theoretical value
- It forms only one type of mono substituted product
- The bond angle between carbon-carbon bonds is 120 Degree
- Work
- Heat
- change in enthalpy
- both a and b
- one gram atom of carbon contains Avogadro s number of molecuha,
- one mole of oxygen gas coneains Avogadro 's number of molecules
- one mole of hydrogen contains Avogadro's mumber of atoms
- d ane mole of electrons stands for 6.0.2 x 10-23
- Slaked lime
- Plaster of paris
- CaCO3
- Hydrolith
- pH of drinking water should be between 5.5–9.5
- Concentration of DO below 6 ppm is good for the growth of fish
- Clean water would have BOD value of less then 5 ppm
- Oxides of sulphur, nitrogen and carbon are the most widepread air pollutant
- Some of the SiO4– units are replaced by AlO5–and AlO9– ions in zeolites
- They are used as cation exchangers
- They have open structure which enables them to take up small molecules
- Zeolites are aluminosilicates having three dimensional network
- Enzymes are denaturated by ultraviolet rays and at high temperature
- Enzymes are least reactive at optimum temperature
- Enzymes are mostly proteinous in nature
- Enzyme action is specific
- Physical adsorption is reversible in nature
- Physical adsorption involves vander waals forces
- Rate of physical adsorption increases with increase of pressure on the adsorbate
- High activation energy is involved for physical adsorption
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