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5305. Which glass is usually used in optical work?

September 7, 2025 by Admin

Lead glass

High silica (borosilicate) glass

Photo-sensitive glass

Fibre glass

✅ The correct answer is option C.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5303. Which of the following is an endothermic reaction?

5308. Pick out the exothermic reaction out of the following:

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