Are you prearding for Engineering or Medical Entrance Test? Chemistry is one of the mandatory papers for most of the Engineering Entrance tests as well many other tests.

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Carbyl amine reaction is answered byChemistryChemistry
Benzene diazonium fluoro borate on heating to dryness yields,ChemistryChemistry
The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development ofChemistryChemistry
The molecular formula of phosphorous isChemistryChemistry
The inert gases are ____ in waterChemistryChemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is calledChemistryChemistry
The metal that is usually extracted from sea water isChemistryChemistry
The formula C6H5-CO-CH3 representsChemistryChemistry
The maximum number of covalent formed by nitrogen isChemistryChemistry
The mass number of an atom is equal toChemistryChemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will beChemistryChemistry
The National Chemical Laboratory is situated inChemistryChemistry
The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules inChemistryChemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3ChemistryChemistry
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?ChemistryChemistry
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI isChemistryChemistry
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body isChemistryChemistry
The hottest part of the gas flame is known asChemistryChemistry
The number of electrons presents in H+ isChemistryChemistry
He organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example ofChemistryChemistry
The most important ore of aluminium isChemistryChemistry
The hardest form of carbon isChemistryChemistry
The maximum number of isomers for an alkene with molecular formula C4H8 isChemistryChemistry
The main active constituent of tea and coffee isChemistryChemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India atChemistryChemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules isChemistryChemistry
The metal does not give H2 on treatment with dilute HCL isChemistryChemistry
The mineral containing both magnesium and calcium isChemistryChemistry
The main chemical constituent of clay isChemistryChemistry
The major constituent of air isChemistryChemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit isChemistryChemistry
The iron ore magnetite consists ofChemistryChemistry
The high reactivity of fluorine is due toChemistryChemistry
The high reactivity of fluorine is due toChemistryChemistry
The molecule which has the highest percentage of ionic character among the following isChemistryChemistry
The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil isChemistryChemistry
Zone refining is used for the purification ofChemistryChemistry
The gas used for artificial ripening of green fruit isChemistryChemistry
The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?ChemistryChemistry
The method that cannot be used for removing permanent hardness of water isChemistryChemistry
The most electropositive elements among the following isChemistryChemistry
The hydronium ion isChemistryChemistry
The first metal used by man was ChemistryChemistry
The graphite rods in the nuclear reactorChemistryChemistry
The ionic radii of N3-, O2-, F- and Na+ follows the order ChemistryChemistry
The gas used in the manufacture of vanaspati from vegetable oil isChemistryChemistry
The lead of a pencil mainly contains ----?ChemistryChemistry
The ore which is found in abundance in India is ?ChemistryChemistry
Which of the following ores dose not contain iron ?ChemistryChemistry
On heating sodium acetate with sodium hydro oxide, the gas evelved will be :ChemistryChemistry

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