Question

[116]. Read the following passage carefully:

Passage: "Glass looks solid, but it is made by melting sand until it flows like thick honey, then cooling it quickly. If it cools too fast, it cracks; if too slowly, it clouds. The glassmaker must therefore control cooling as carefully as heating. A perfect glass is not merely melted sand. It is sand melted and cooled at the right pace." Which statement is NOT true according to the passage?

1.
Slow cooling can cloud glass
2.
Glass is made by melting sand
3.
Glass clouds if cooled too slowly is false
4.
Cooling must be controlled
Answer (Detailed Solution Below)

Option 3 : Glass clouds if cooled too slowly is false

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Detailed Solution

सही उत्तर Glass clouds if cooled too slowly is false है।

Key Points

The passage says slow cooling clouds glass, so denying it is unsupported.

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Question:

[116]. Read the following passage carefully:

Passage: "Glass looks solid, but it is made by melting sand until it flows like thick honey, then cooling it quickly. If it cools too fast, it cracks; if too slowly, it clouds. The glassmaker must therefore control cooling as carefully as heating. A perfect glass is not merely melted sand. It is sand melted and cooled at the right pace." Which statement is NOT true according to the passage?

1.
Slow cooling can cloud glass
2.
Glass is made by melting sand
3.
Glass clouds if cooled too slowly is false
4.
Cooling must be controlled

Correct Answer: Glass clouds if cooled too slowly is false

The passage says slow cooling clouds glass, so denying it is unsupported.

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