Oxide and halide ores — task. Science State Board, Class 10.

PDF chapter test TRY NOW

Answer the following questions using the data given below:

1.

Assertion:	Cuprite ore is purified by the hydraulic method.
Reason:	It is an oxide ore of Copper.

Assertion is wrong, reason is correct
Assertion is correct, reason is wrong
Both the assertion and the reason are correct; the reason explains the assertion.
Assertion and reason are correct, reason doesn't explains the assertion

2.

Assertion:	Zinc blende ore is purified by the froth floatation method.
Reason:	It is a sulphide ore of Zinc.

Assertion is wrong, reason is correct
Both the assertion and the reason are correct; the reason explains the assertion.
Assertion is correct, reason is wrong
Assertion and reason are correct, reason doesn't explains the assertion

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content