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P-1 Chemical reactions and equations — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Chemical reactions and equations2 Marks
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Answer

(1) Combination reaction $-2 Cu + O _4 \rightarrow 2 CuO$
(2) Double displacement reaction $- AgNO _3+ NaCl \rightarrow AgCl \downarrow+ NaNO _3$
(3) Decomposition reaction $- C _{12} H _{22} O _{11( s )} \stackrel{\Delta}{\longrightarrow} 12 C _{( s )}+11 H _2 O _{( g )}$
(4) Displacement reaction $- Zn +2 HCl \rightarrow ZnCl _2+ H _2 \uparrow$

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