A. C(s) + H2O(l) → CO(g) + H2(g) B. 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) C. Zn(s) + 2HCI(aq)…
A. ethanol B. sulphur C. methylethanoate D. ethene E. ethane Correct Answer: Option D - ethene
A. distillation B. cracking C. catalysis D. polymerization E. dehydrogenation Correct Answer: Option B - cracking
A. potassium B. calcium C. sodium D. tin E. magnesium Correct Answer: Option D - tin
A. Na2CO3 B. CuSO4 C. MgSO4 D. NaCI E. FeSO4 Correct Answer: Option D - NaCI
The decomposition of hydrogen peroxide is represented by the equation: 2H2O(l) + O2(g) what mass of hydrogen peroxide would be…
A. gauging the thickness of objects B. making atomic bombs C. curing cancer D. generating electricity E. purifying water Correct…
A. Concentrated tetraoxonitrate (Vl) acid B. Calcium oxide C. anhydrous calcium chloride D. phosphorus (V) oxide E. anhydrous copper (ll)…
A. it is volatile B. it is strongly oxidizing C. it forms a layer of oxide on the metal D.…
A. 298k B. 300k C. 546k D. 819k E. 1092k Correct Answer: Option E - 1092k