EASY
12th Odisha Board
IMPORTANT
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The most abundant element in the earth's crust is:

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Important Questions on General Principles and Processes of Isolation of Elements

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 7
Which of the following barium salts is soluble in water?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 8
The most abundant metal in the earth's crust is
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 9
Copper is extracted from
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 6 - General Principles and Processes of Isolation of Elements>QUESTIONS>Q 10
The salt which is least likely to be found in minerals is