EASY
10th CBSE
IMPORTANT
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Metals below hydrogen in the activity series can

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Important Questions on Metals and Nonmetals

EASY
10th CBSE
IMPORTANT
Sulphide ores are generally concentrated by
EASY
10th CBSE
IMPORTANT
Oxides of metals are generally
EASY
10th CBSE
IMPORTANT
The number of electrons in the outermost shell of a nonmetal can be
MEDIUM
10th CBSE
IMPORTANT
The ordinary sulphur exists as
EASY
10th CBSE
IMPORTANT
Bauxite is the most important ore of
EASY
10th CBSE
IMPORTANT
_____ is the most abundant metal in the earth’s crust. (Calcium/ Aluminium)
EASY
10th CBSE
IMPORTANT
The reactive metals do not occur in nature in the _____ state.
MEDIUM
10th CBSE
IMPORTANT
Electromagnets are used to concentrate _____ ores. (magnetic / non-magnetic)