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What is the amount of silica used in a slag?(a) 20% to 30%(b) 30% to 40%(c) 40% to 50%(d) 50% to 60% |
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Answer» Right choice is (c) 40% to 50% To elaborate: Slag is known to be acidic in nature and it is found to have some amount of silica content in terms of percentage composition of about 40% to 50%. |
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