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Study the diagram below and answer the questions that follow.

Study the diagram below and answer the questions that follow.

zinc.png

i. State two observations made in the tube A

ii. Explain why the sand is heated first before heating the zinc metal

iii. Give the chemical test of gas X.

Answers


Martin
i)
– zinc glows
- Yellow solid when hot (and white when cool)

ii) To drive out air initially present in the tube

iii) Extinguishes/ puts off a burning splint with a pop sound
marto answered the question on September 17, 2019 at 07:25

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