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Q. |
In modified chemical vapor deposition, vapor phase reactant such as pass through a hot zone. |
A. | halide and oxygen |
B. | halide and hydrogen |
C. | halide and silica |
D. | hydroxides and oxygen |
Answer» A. halide and oxygen | |
Explanation: halide and oxygen are passed through the hot zone during chemical vapor deposition. glass particles formed during this travel are deposited on the walls of silica tube which are moved back and forth allowing the particles to deposit layer by layer. |
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