Some precious stones such as ruby and sapphire consist of...
Some precious stones such as ruby and sapphire consist of aluminum oxide coloured by traces of the oxides of
group lV elements
group l metals
transition metals
alkaline earths
the halogens
Correct answer is C
No explanation has been provided for this answer.
Which of the following equations is NOT balanced? ...
Consider the following reaction equation: CaO + SiO\(_{2}\) ------> CaSiO\(_{3}\) Silicon(IV) o...
PCl5(g) ↔ PCl3(g) + Cl2(g) In the reaction above, a decrease in pressure will...
Which of the following apparatus is NOT used in volumetric analysis? ...
What is the chemical symbol for Scandium? ...
What is the chemical symbol for Tellurium? ...
The IUPAC nomenclature of compound CH3CH2COOCH2CH3 is...
If 50 cm\(^{3}\) of a saturated solution of KNO\(_{3}\) at 40 °C contained 5.05 g of the salt, i...