Aqueous solution of borax above 62°C gives crystals of________________?

Related Mcqs:

Substance which is found in dried up lakes of Tibet and California is_______________?

A. Tincal B. Boric acid C. Calcium carbonate D. Colemanite...

Which of the following does not give Borax bead test ?

A. Cu B. Cr C. Ni D. A1...

The coloured glassy mass in borax bead test is due to the formation of___________________?

A. metal borate B. metal meta borate C. metal boride D. metal silicate...

If temperature of gallium arsenide is increased then its conductivity will___________________?

A. decrease B. increase C. remains constant D. first decreases then increases...

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...