Consider the following statements.
1. A chalcogenide glass is a glass containing sulphur, selenium or tellurium.
2. Chalcogenide glass form the basis of re-writable CD and DVD solid-state memory technology.
Which of the statement(s) given above is/are correct?
A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2
Answer: Option C
Related Questions on Chemistry in Everyday Life
The advantage of detergents over soaps is
A. detergents are soluble in water
B. detergents could not givemuch lather
C. detergents give lather even with hard water
D. soaps give lather with only soft water
A. 1 and 2
B. 2 and 3
C. 2, 3 and 4
D. 1, 3 and 4
Bakelite is a co-polymer of phenol and
A. formaldehyde
B. acetaldehyde
C. benzaldehyde
D. cinnamaldehyde

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