Quiz Ch # 2
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Elements of group IA are called:
Point out the element which forms superoxide:
Which element has the lowest melting point:
Which is not a calcareous material:
Which is not an alkali metal?
Which is the least reactive of all the alkali metals:
Which of the following form amphoteric oxide?
Which one of the following does not belong to alkaline earth metals?
Epsom salt is a mineral of the metal__________.
Boron is present in group_______.
Borax, Colemanite, and Orthoboric acid are the common minerals of:
Which of the following reacts with Alkali to give Hydrogen gas?
Pale-green is a characteristic flame colour of:
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