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ICSE Class 9 Answered

Please solve Q7)a to g
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Asked by Ratribhattacharyya3 | 08 Sep, 2019, 06:56: PM
answered-by-expert Expert Answer
c) Hydrogen and oxygen combine to form a liquid, water.
 
d) Zinc chlorise (ZnCl2) is soluble in excess of ammonium hydroxide.
 
e) Fountain experiment demostrate that hydrogen chloride is soluble in water.
 
f) Gold can be dissolved in aqua regia. It is the mixture of concentarted HNO3 and HCl in ratio of 1:3.
 
g) When chlorine water is exposed to sunlight it produces colourless gas oxygen.
Answered by Varsha | 09 Sep, 2019, 11:48: AM

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