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SPM 2010The following equation shows the decomposition of hydrogen peroxide, H2O2Persamaan berikut menunjukkan penguraian bagi hydrogen peroksida H2O22H2O2 (I) 2H2O (L) + O2 (g)What is the volume of oxygen gas, O2 produced from the decomposition of 500cm3 of 2 mol dm-3 hydrogen peroxide at standard temperature and pressure(STP)[Molar volume of gas at STP=22.4 dm3 mol-1]Berapakah isipadu gas oksigen O2 yang terhasil daripada penguraian 500 cm3 hidrogen peroksida 2 mol dm-3 pada suhu dan tekanan piawai (STP)?

SPM 2013A compound of magnesium nitrate contains 72% of magnesium and 28% of nitrogen. [J.A.R: N=14 Mg=24]What is the empirical formula of magnesium nitrate?Suatu sebatian magnesium nitrat mengandungi 72% magnesium dan 28% nitrogenApakah formula empiric bagi magnesium nitrat

SPM 2011When copper(II) carbonate, CuCO3 is heated the gas released turns the lime water chalky. What is the volume of gas released when 0.62g of copper (II) carbonate is heated at room conditionApabila kuprum (II) karbonat, CuCO3 dipanaskan gas yang terbebas menukarkan air kapur menjadi keruh. Berapakah isipadu gas yang terbebas apabila 0.62g kuprum (II) karbonat dipanaskan pada keadaan bilik.[RAM: C=12; O=16;Cu=64]

SPM 2012The following equation represents the combustion of propane in excess oxygenPersamaan berikut mewakili pembakaran propane dalam oksigen yang berlebihanC3H8 + 5O2 3CO2 + 4H2OWhat is the volume of carbondioxide gas produced when 48cm3 of propane is completely burnt?Apakah isipadu gas karbon dioksida yang terhasil apabila 48cm3 propana terbakar dengan lengkap?[Molar volume gas= 24 dm3 mol-1 at room temperature]

SPM 2009The following chemical equation shows the reaction between iron and chlorine. [R.A.M: Cl=35.5 Fe=56]Persamaan kimia berikut menunjukkan tindak balas antara ferum dan klorin2Fe + 3Cl2 2FeCl31.12g of iron burns completely in chlorine. What is the mass of the product?1.12g ferum terbakar lengkap dengan klorin. Berapakah jisim hasil tindak balas itu?

SPM 2009What is the minimum mass of zinc required to react with excess dilute nitric acid to produce 240 cm3 of hydrogen at room conditions?[Molar volume gas:24dm3 mol-1 RAM Zn:65]Berapakah jisim miniumum zink yang diperlukan untuk bertindak balas dengan asid nitric cair yang berlebihan untuk menghasilkan 240cm3 hidrogen pada keadaan bilik. Zn + 2HNO3 Zn(NO3)2 + H2

SPM 2009The following equation represents the combustion of propane in excess oxygen. [Molar mass of CO2 =44gmol-1, molar volume gas= 22.4 dm3Persamaan berikut mewakili pembakaran ethane dalam oksigen yang berlebihan2C2H6 + 7O2 4CO2 + 6H2OWhat is the volume of ethane needed to produced 2.2g of carbon dioxide at standard temperature and pressure.Berapakah isipadu etana yang diperlukan untuk menghasilkan 2.2g g karbon dioksida pada suhu dan tekanan piawai