Analysis with an elaborate instrument indicates that •Substance A contains two e

Question

Analysis with an elaborate instrument indicates that •Substance A contains two elements. •Substance B and Substance C react to give a new Substance D. •Substance E decomposes upon heating to give Substance F and Substance G. •heating Substance H to 1000°C causes no change. •Substance I cannot be broken down into simpler substances by chemical means. •Substance J cannot be broken down into simpler substances by physical means. •heating Substance K to 500°C causes it to change from a solid to a liquid.

Explanation / Answer

A- compound
B-neither
C-neither
D-compound
E- compound
F- neither
G- neither
H- neither
I- element
J- neither
K- neither

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