Aluminium oxide is_________________?

Related Mcqs:

Orthoboric acid is 2.6% soluble in water at 40?C and ___________at 107°C.

A. 26% B. 27% C. 37% D. <2.6%...

Because of its ability to combine with both oxygen and nitrogen aluminium metal is used_____________?

A. As nitrometer B. To remove air bubbles from molten metal C. To produce alloy D. As insulator...

CO2 is gas while SiO2 is solid at room temperature?

A. carbon is non-metal while silicon is semi-metal B. CO2 is an independent molecule while SiO2 has network covalent structure C. CO2 forms multiple bond while silicon does not form multiple bonds D. Silicon has all sigma bonds...

Identify the correct statement regarding CO_______________?

A. it combines with H2O to form carbonic acid B. it reacts with red blood cells of haemoglobin C. it is powerful oxidizing agent D. it is used to prepare aerated drinks...

Boric acid cannot be used__________________?

A. As antiseptic in medicine B. For washing eyes C. In soda bottles D. For enamel and glazes...