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11/09/2021 12:22 pm
Topic starter
Fill in the following blanks with suitable words:
(a) Magnesium liberates………………… gas on reacting with hot boiling water.
(b) The white powder formed when magnesium ribbon burns in oxygen is of ……………
(c) Ordinary aluminium strips are not attacked by water because of the presence of a layer of ………………… on the surface of aluminium.
(d) A metal having low melting point is ……………………. but a non-metal having very high melting point is …………………
(e) Calcium is a…………….. reactive metal than sodium.
1 Answer
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11/09/2021 12:25 pm
(a) Hydrogen.
(b) Magnesium oxide.
(c) Aluminium oxide.
(d) Sodium; Diamond.
(e) Less.