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WorksheetsChemical Equation/ Persamaan Kimia
Total questions: 6
Worksheet time: 12mins
The equation above represents a reaction. What are the reactants in this equation?
Persamaan di atas mewakili satu tindak balas. Apakah bahan-bahan tindak balas dalam persamaan ini?
Copper(II) nitrate and water
Kuprum(II) nitrat dan air
Copper(II) hydroxide and nitric acid
Kuprum(II) hidroksida dan asid nitrik
Copper(II) nitrate and nitric acid
Kuprum(II) nitrat dan asid nitrik
Copper(II) hydroxide and copper(II) nitrate
Kuprum(II) hidroksida dan kuprum(II) nitrat
Which chemical equation is correctly balanced?
Persamaan kimia manakah yang diseimbangkan dengan betul?
K + 02 −> K20
K+ Cl2 −> KCI
Zn + HCI −> ZnCl2 + H2
Zn + H2S04 −> ZnS04 + H2
The following chemical equation represents the preparation of ammonia gas.
Persamaan kimia berikut mewakili penyediaan gas ammonia.
N2 + 3H2 −> 2NH3
Which of the following is the correct statement?
Antara berikut pernyataan manakah yang betul?
Two nitrogen molecules react with six hydrogen molecules to produce six ammonia molecules
Dua molekul nitrogen bertindak balas dengan enam molekul hidrogen untuk menghasi/kan enam molekul Ammonia
1.0 g of nitrogen gas reacts with 3.0 g of hydrogen gas to produce 2.0 g of ammonia gas
1.0 g gas nitrogen bertindak balas dengan 3.0 g gas hidrogen untuk menghasi/kan 2.0 g gas ammonia
1 mol of ammonia gas is produced when 0.5 mol of nitrogen gas reacts with 1.5 mol of hydrogen gas
1 moi gas ammonia dihasilkan apabila 0.5 moi gas nitrogen bertindak balas dengan 1.5 mol gas hidrogen
Number of atoms in ammonia gas produced is twice the number of atoms in nitrogen gas used
Bilangan atom dalam gas ammonia terhasil adalah dua kali bilangan atom gas nitrogen yang digunakan
The following equation represents a chemical reaction.
Persamaan berikut mewakili satu tindak balas kimia.
Na2CO3 (aq) + CaCl2(aq) −> CaCO3(s) + 2NaCl(aq)
Na2CO3 (ak) + CaCl2(ak) −> CaCO3(p) + 2NaCl(ak)
Which statement is correct?
Penyataan manakah yang betul?
Two moles of sodium carbonate react with one mole of calcium chloride
Dua mol natrium karbonat bertindak balas dengan satu mol kalsium klorida
The products are calcium carbonate precipitate and sodium chloride solution
Hasil tindak balas ialah mendakan kalsium karbonat dan larutan natrium klorida
The reactants are solid sodium carbonate and calcium chloride solution
Bahan tindak balas ialah pepejal natrium karbonat dan larutan kalsium klorida
Two moles of calcium carbonate and one mole of sodium chloride are formed
Dua mol kalsium karbonat dan satu mol natrium klorida terbentuk
The decomposition of lead(II) nitrate produces lead(II) oxide, nitrogen dioxide and oxygen.
Which of the following is the balanced chemical equation for the reaction?
Penguraian plumbum(II) nitrat menghasilkan plumbum(II) oksida, nitrogen dioksida dan oksigen. Antara yang
berikut, yang manakah persamaan kimia seimbang bagi tindak balas berikut?
Pb(N03)2 −> Pb02 + 2NO + 02
Pb(N03)2 −> PbO + 2NO + 03
2Pb(N03)2 −> 2Pb0 + 4N02 + 02
3Pb(N03)2 −> 3Pb02 + 6N02, + 03
The reaction between barium chloride solution and lead(II) nitrate solution produces lead(II) chloride
and barium nitrate. Which ionic equation represents the reaction?
Tindak balas antara larutan barium klorida dan larutan plumbum(II) nitrat menghasilkan plumbum(II) klorida dan
barium nitrat. Persamaan ion yang manakah mewakili tindak balas itu?
Pb2+ + NO3− −> Pb(NO3)2
Pb2+ + 2Cl− −> PbCl2
Ba2+ + 2Cl− −> BaCl2
Ba2+ + 2NO3− −> Ba(NO3)2
