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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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