Correct option is A
In the extraction of aluminium by electrolytic process, cryolite is added to reduce the melting temperature of the mixture. The use of cryolite reduces some of the energy costs involved in extracting aluminium.
All Courses
Question
In the electrolysis of alumina to obtain Aluminium metal, the cryolite is added mainly to
Free Tests
Free
Must Attempt
CUET 2025 English Language Mock 01
English
50 Questions
200 Marks
45 Mins
EnglishSimilar Questions
- 1)
A gas stove flame burns blue because of:
- 2)
Which is the chemical formula of salt?
- 3)Although chlorine is an electron withdrawing group, yet it is ortho- and para-directing in electrophilic aromatic substitution reaction because
(A) Chlorine withdraws electrons through inductive effect.
(B)Chlorine destabilises the intermediate carbocation formed during electrophilic substitution.
(C) Chlorine accepts electrons through resonance.
(D) Chlorine releases electrons through resonance.
Choose the correct answer from the options given below: - 4)In Etard reaction, the final product is
- 5)Aniline does not undergo Friedel-Crafts reaction because
(A) It forms salt with the Lewis acid catalyst, AlCl_3.
(B) Nitrogen of aniline acquires negative charge.
(C) Nitrogen of aniline acquires positive charge.
(D) Nitrogen acts as a strong deactivating group in the further reaction.
Choose the correct answer from the options given below : - 6)Match List-I with List-II:
Choose the correct answer from the options given below - 7)Match List-I with List-II:
Choose the correct answer from the options given below: - 8)Match List-I with List-II:
Choose the correct answer from the options given below : - 9)Match List-I with List-II:
Choose the correct answer from the options given below: - 10)
A gas stove flame burns blue because of:
