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Science TNSB Mentoring
Class 10 Crash course
Types of chemical reactions
Classification of chemical reactions
9.
Different types of chemical reactions
Question:
3
m.
Answer the following question:
A solid compound ‘\(A\)’, pale yellow in colour, decomposes on exposure to sunlight into a grey metal ‘\(B\)’ with the liberation of a halogen gas ‘\(C\)’. Identify \(A\), \(B\), and \(C\).
A
–
Lead iodide \(PbI_2\)
Silver bromide \(AgBr\)
Silver chloride \(AgCl\)
Sodium chloride \(NaCl\)
B
–
Zinc \(Zn\)
Copper \(Cu\)
Silver \(Ag\)
Silver \(Au\)
C
–
Bromine gas \(Br_2\)
Hydrogen gas \(H_2\)
Chlorine gas \(Cl_2\)
Fluorine gas \(F_2\)
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