230, 34.5, ‘?’, 0.77625
230× 0.15 = 34.5 34.5 × 0.15 = 5.175 5.175 × 0.15 = 0.77625
Bronze is an alloy of-
___________ is the process in which acids and bases react to form salts and water.
The pH of a neutral solution is —
The gas usually causing explosions in coal mines is-
The gas used for filling weather balloons is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
The major component of honey is-
Manganite is an ore/mineral of
The element used in the manufacture of safety matches is —
The important ore of aluminium is-
