207) The chief impurity present in red bauxite is:
Answer is:
Fe2O3
Related Inorganic Chemistry MCQ with Answers
Answer is:
Mg + Al
Explanation:
It is an alloy of Al and Mg. It is used for making light instruments.
Answer is:
They can withstand high temperatures
Explanation:
These are the materials which can withstand very high temperatures without melting or becoming soft.
Answer is:
Na
Explanation:
Because Na is very reactive and can not be extracted by means of reduction by C, CO, etc. So, extracted by electrolysis.