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You Are On Multi Choice Question Bank SET 1334

66701. The nucleus of a hydrogen atom consists of

66702. The heat required to raise the temperature of body by 1 K is called

66703. The nuclear particles which are assumed to hold the nucleons together are

66704. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

66705. The octane number of zero is assigned to

66706. The metal that is used as a catalyst in the hydrogenation of oils is

66707. The most abundant rare gas in the atmosphere is

66708. The Latin word formica means ant. The name formic acid is derived from this Latin word because

66709. The ore which is found in abundance in India is

66710. The inherited traits of an organism are controlled by

66711. The heat energy produced when the human body metabolises 1 gram of fat is

66712. What are the number of moles of CO2 which contains 16 g of oxygen?

66713. The main use of salt in the diet is to

66714. The monomer of polythene is

66715. The luster of a metal is due to

66716. The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

66717. The most malleable metal is

66718. The oil used in the froth floatation process is

66719. The number of waves in n x 10th Bohr's orbit are

66720. The mass of one Avogadro number of helium atom is

66721. The items amenable to detection by soft x-rays are

66722. The material which can be deformed permanently by heat and pressure is called a

66723. The mass number of a nucleus is

66724. The inexpensive and commonly used variety of glass is called soda glass. It is called so because

66725. The gas used in the manufacture of vanaspati from vegetable oil is

66726. The ionic radii of N3-, O2-, F- and Na+ follows the order

66727. The graphite rods in the nuclear reactor

66728. The first metal used by man was

66729. The hydronium ion is

66730. The most electropositive elements among the following is

66731. The method that cannot be used for removing permanent hardness of water is

66732. The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle?

66733. The gas used for artificial ripening of green fruit is

66734. Zone refining is used for the purification of

66735. The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is

66736. The molecule which has the highest percentage of ionic character among the following is

66737. The high reactivity of fluorine is due to

66738. The iron ore magnetite consists of

66739. 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 is

66740. The major constituent of air is

66741. The main chemical constituent of clay is

66742. The mineral containing both magnesium and calcium is

66743. The metal does not give H2 on treatment with dilute HCL is

66744. The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

66745. The most extensive, commercially useful source of thorium as monazite sand occurs in India at

66746. The main active constituent of tea and coffee is

66747. The maximum number of isomers for an alkene with molecular formula C4H8 is

66748. The hardest form of carbon is

66749. The most important ore of aluminium is

66750. The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

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