BEYOND LABZ | FULLY SOLVED 100 PERCENT COMPREHENSIVE
STUDY GUIDE QUESTIONS WITH VERIFIED ANSWERS | LATEST
2026/2027 UPDATE | GRADED A+.
1. What is the balanced chemical equation for the reaction of AlBr3
and
CaSO4? Answer: 2 AlBr3(aq) + 3 CaSO4(s) → 1 Al2(SO4)3(s) + 3
CaBr2(aq)
⩥ What is the word equation for the reaction of sodium phosphate with
lithium metal? Answer: Sodium phosphate + Lithium metal → Lithium
phosphate + Sodium metal.
⩥ What is the pattern for a combustion reaction? Answer: A + O2 → CO2
+ H2O.
⩥ What is the pattern for a synthesis reaction? Answer: A + B → AB.
What is the pattern for a double replacement reaction? Answer: AB + CD
→ AD + CB.
, ⩥
⩥
What type of reaction is represented by the equation Mg + Fe2O3 →
Fe + MgO? Answer: Single Replacement Reaction.
⩥ What type of reaction is represented by the equation C2H4 + O2 →
CO2 + H2O? Answer: Combustion Reaction.
⩥ What type of reaction is represented by the equation PbSO4 → PbSO3
+ O2? Answer: Decomposition Reaction.
What is the pattern for a decomposition reaction? Answer: AB → A + B.
What is the pattern for a single replacement reaction? Answer: A + BC
→ AC + B.
⩥ What type of reaction is represented by the equation H2O + SO3 →
H2SO4? Answer: Synthesis Reaction.
⩥ What type of reaction is represented by the equation H2SO4 +
NH4OH → H2O + (NH4)2SO4? Answer: Double Replacement Reaction.
⩥ What is the balanced chemical equation for CaBr2 + (NH4)2CO3?