HARD
10th CBSE
IMPORTANT
Earn 100

Titanium is called strategic metal. Give reasons.

Important Questions on Metals and Nonmetals

HARD
10th CBSE
IMPORTANT
Carbon is a nonmetal, but its allotrope graphite is a good conductor of electricity? Name the structural factor responsible for this property of graphite.
MEDIUM
10th CBSE
IMPORTANT
Sulphides and carbonates of metals are converted into oxides for their isolation. Explain.
HARD
10th CBSE
IMPORTANT
Aqueous solution of salts of active metals such as Na, K, and Ca are not used for electrolytic reduction. Give suitable explanation.
MEDIUM
10th CBSE
IMPORTANT

Select odd one out from the following and justify your answers:

Na, Cu, Mg, Hg

MEDIUM
10th CBSE
IMPORTANT

Select odd one out from the following and justify your answers:

H, F, Cl, Br

MEDIUM
10th CBSE
IMPORTANT

Select odd one out from the following and justify your answers:

H, Li, Na, K
MEDIUM
10th CBSE
IMPORTANT

Select odd one out from the following and justify your answers:

Fe, Zn, Cu, Al

EASY
10th CBSE
IMPORTANT

Select odd one out from the following and justify your answers:

K, Zn, Cu, Al