Page No. 33
If temperature of gallium arsenide is increased then its conductivity will___________________?
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The coloured glassy mass in borax bead test is due to the formation of___________________?
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Boron is non metal while other elements of IIIA group are metals. This is because______________?
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Silicon differ from silica by a group of__________________?
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Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107°C.
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In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?
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Which electronic configuration corresponds to an element of group IIIA ?
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Aluminium oxide is_________________?
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Special features of borate glass is that it is_________________?
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