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4 Compond Wis a white crystalline soboane. Wheis heated strongly in a boiling nibe if yielded a sold residue & and fames of a brown gas | Residue & was ad lost to warns ditute hydrochlor and to form a colourless solution V wish formed a white precipitate when the setup was allowed to cool to rooms temperature

(a) Nattic:

() Compound W

(9) mark)

(11) Residue G

(mark)

(b) Write a chemical equation for

(1) The thermal decomposition of compousaki W

(1) mark)

(ii) The formation of solution V

(1 mark)

(c) State another observation that is made in the be ling tube dur ng the process.

(1 mark)

(d) State and explain the observation made fresidue G was added to warm dilute sulphuric (VI) acid.

(2 marks)

Explain how the three components of a triangle of educational process are interdependent and interrelated