f. An element which combines with both hydrogen and halogens forming covalent ca
g. An electrovalent compound formed from an element in period 3 and hydrogen
h. A covalent gaseous compound formed from an element in period 3 and hydrogen.
i. A covalent gaseous compound formed from an element in group 14 (IV A) and hydı
j. An oxide of hydrogen which is neutral in nature.
k. The number of shared pairs of electrons in a diatomic molecule of hydrogen
1. A non-metallic element in period -1, group-1 (IA) of the periodic table.
m. The element in period 3 which is electro negative and shows similarity to hydrogen.
n. A metal which reacts explosively with cold water liberating hydrogen.
o. A metal alloyed with sodium to give amalgamated sodium.
p. A metal which reacts very slowly with boiling water to liberate hydrogen.
q. A trivalent metal which displaces hydrogen from dilute sulphuric acid.
1. The salt formed when iron reacts with dilute hydrochloric acid displacing hydrogen
S. A metal which reacts with dilute hydrochloric acid to form a salt insoluble in cold v
in hot water.
t. The salt formed when zinc reacts with caustic potash liberating hydrogen.
u. A metal other than magnesium which reacts with very dilute nitric acid liberating
V. A metal which reacts with cold water forming a turbid solution.
W Two metals which do not displace hydrogen from dilute acids.
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