Which of the following factors that Decomposition Reaction take place?
(a) Heat, Light and pressure (b) Light, pressure and Electricity
(c) Electricity, Light and Heat (d) None of these
Answers
⟶
ar(PQR)
ar(ABC)
=
(QR)
2
(BC)
2
\longrightarrow{\rm{\dfrac{100}{121} = \dfrac{(5)^{2} }{(QR)^{2}}}}⟶
121
100
=
(QR)
2
(5)
2
\longrightarrow{\rm{\dfrac{100}{121} = \dfrac{25}{(QR)^{2}}}}⟶
121
100
=
(QR)
2
25
\longrightarrow{\rm{100 \times {QR}^{2} = 121 \times 25}}⟶100×QR
2
=121×25
\longrightarrow{\rm{100 \times {QR}^{2} = 3025}}⟶100×QR
2
=3025
\longrightarrow{\rm{100 \times {QR}^{2} = 3025}}⟶100×QR
2
=3025
\longrightarrow{\rm{ {QR}^{2} =30.25}}⟶QR
2
=30.25
\longrightarrow{\rm{ {QR} = \sqrt{30.25}}}⟶QR=
30.25
\longrightarrow{\rm{ {QR} = 5.5}}⟶QR=5.5
Therefore, measure of QR is 5.5 cm.
Answer:
its option c
Explanation:
Calcium carbonate when heated gives quicklime (CaO) and carbon dioxide
Silver chloride decomposes to silver and chlorine in presence of sunlight
Water on electrolysis gives hydrogen and oxygen
hope this helps