The constituents of porland cement are

The constituents of porland cement are

Options

(a) CaCO₃+clay+sand (b) CaCO₃+aluminium silicate (c) CaCO₃+clay+SiO₂ (d) CaCO₃+gypsum+clay

Correct Answer:

CaCO₃+gypsum+clay

Explanation:

The essential constituents of portland cement are CaO, silica, alumina, magnesium oxide, and […]

First ionization potential of Mg is

First ionization potential of Mg is

Options

(a) less than Al (b) equal to Al (c) more than Al (d) zero

Correct Answer:

more than Al

Explanation:

No explanation available. Be the first […]

Aluminium reacts with caustic soda to form

Aluminium reacts with caustic soda to form

Options

(a) aluminium hydroxide (b) aluminium oxide (c) sodium metaaluminate (d) sodium tetraaluminate

Correct Answer:

sodium metaaluminate

Explanation:

No explanation available. Be the first to write […]

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