JEE Main 2019 (Online) 9th April Evening Slot | Isolation of Elements Question 85 | Chemistry

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JEE Main 2019 (Online) 9th April Evening Slot

MCQ (Single Correct Answer)

-1

The one that is not a carbonate ore is :

siderite

bauxite

malachite

calamine

JEE Main 2019 (Online) 9th April Evening Slot

MCQ (Single Correct Answer)

-1

Assertion: For the extraction of iron, haematite ore is used.

Reason: Haematite is a carbonate ore of iron.

Both the assertion and reason are correct and the reason is the correct explanation for the assertion.

Only the reason is correct.

Both the assertion and reason are correct, but the reason is not the correct explanation for the assertion.

Only the assertion is correct.

JEE Main 2019 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

The ore that contains the metal in the form of fluoride is :

sphalerite

magnetite

malachite

cryolite

JEE Main 2019 (Online) 8th April Evening Slot

MCQ (Single Correct Answer)

-1

The Mond process is used for the

Extraction of Zn

extraction of Mo

Purification of Zr and Ti

Purification of Ni

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