From those given below choose the metals that can be refined by liquation. Tin, Sodium, Magnesium, Aluminium, Lead.

Which one of the following metals is refined by liquation? (Zinc, iron, Copper, Tin)

Which one of the following metals is refined by liquation? (Zinc, Iron, Copper, Tin)

From among the situations given below, choose the one that prevents autogamy but not geitonogamy.

Choose the ore from those given below which can be used in the above figure. Bauxite, Tin stone, Copper pyrites, Calamine.

Some questions related to atoms are given below. Choose correct word from the box and answer the questions. Nucleus, Proton, Atomic number, Mass nümber, Electron, Neutron shell a) What is.the number of electrons in an atom. b) Centre of the atom. c) Negatively charged particle revolve around the nucleus.

Find the number of metals from the given metals which can be commercially purified by zone refining methods: Si, Ge,Ga,Al,Ti,Zr.

The first IE and second IE (Kj mol^(-1)) and dalta_egH(kJ mol^(-1)) of a few elements are given below: Which of the above is likely to be the metal that can from perdominantly stable covalent halide (MX) ?

From the pairs of numbers given below, pick out those whose product is a natural number or a fraction. i) sqrt3 , sqrt12 ii) sqrt3 , sqrt1.2 iii) sqrt5 , sqrt8 iv) sqrt0.5 , sqrt8