Boron in soil has been considered micronutrient for_________________?

Related Mcqs:

Special features of borate glass is that it is_________________?

A. Heat resistant B. Low melting C. Used to prepare chemical garden D. Green in colour...

In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?

A. 4 B. 2 C. 1 D. 6...

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...

Boric acid cannot be used__________________?

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

Which element can form tripositive ion ?

A. Beryllium B. Carbon C. Silicon D. Aluminium...