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2.05 gram
3.05 gram
4.05 gram
5.05 gram
The material known in commerce as Terylene is a
The material used in the manufacture of lead pencil is
The material which can be deformed permanently by heat and pressure is called a
The maximum number of covalent formed by nitrogen is
The maximum number of electrons that can be accommodated in a shell depends on the formula
The maximum number of isomers for an alkene with molecular formula C4H8 is
The metal chiefly used for galvanising iron is :
The metal does not give H2 on treatment with dilute HCL is
The metal that is used as a catalyst in the hydrogenation of oils is
The metal that is usually extracted from sea water is