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Science TNSB Mentoring
Class 10
Periodic classification of elements
Periodic trends & metallurgy
6.
Metallurgy
Question:
4
m.
Spot the error and choose the correct statements:
1.
An iron is a mineral that can be readily and economically extracted on a large scale.
An oxygen is a mineral that can be readily and economically extracted on a large scale.
An oer is a mineral that can be readily and economically extracted on a large scale.
An ore is a mineral that can be readily and economically extracted on a large scale.
An air is a mineral that can be readily and economically extracted on a large scale.
2.
Gangue is a fusible product produced when a flux combines with a gangue during metal extraction.
Slog is a fusible product produced when a flux combines with a gangue during metal extraction.
Slag is a fusible product produced when a flux combines with a gangue during metal extraction.
Matrix is a fusible product produced when a flux combines with a gangue during metal extraction.
Ore is a fusible product produced when a flux combines with a gangue during metal extraction.
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