DP Chemistry Questionbank

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• 18M.2.sl.TZ2.1b: Formulate the equation for the reaction of H2SO4 with Mg(OH)2.
• 18M.1.sl.TZ2.1: What is the sum of the coefficients when the equation is balanced with the lowest whole number...
• 18M.3.sl.TZ1.2a: Annotate the balanced equation below with state symbols. CaCO3(__) + 2HCl(__) → CaCl2(__) +...
• 18M.2.sl.TZ1.1f: The combustion of urea produces water, carbon dioxide and nitrogen. Formulate a balanced...
• 18M.1.sl.TZ1.1: Which is a homogeneous mixture? A.     Oil and water B.     Sand and water C.     Ethanol and...
• 18M.2.hl.TZ2.1g: Outline why repeating quantitative measurements is important.
• 18M.2.hl.TZ1.1f: The combustion of urea produces water, carbon dioxide and nitrogen. Formulate a balanced...
• 17N.1.sl.TZ0.4: What is the sum of the coefficients when the following equation is balanced using the...
• 17M.1.sl.TZ2.1: What is the sum of the coefficients when the equation is balanced with whole numbers? —C8H18(g)...
• 17M.2.hl.TZ1.3c.i: Formulate an equation for the reaction between VO2+(aq) and V2+(aq) in acidic solution to form...
• 17M.2.sl.TZ1.3b: Formulate an equation for the reaction between VO2+(aq) and V2+(aq) in acidic solution to form...
• 17M.2.sl.TZ1.2f.i: Formulate an equation for this reaction.
• 17M.1.sl.TZ1.2: Which statements about mixtures are...
• 16N.2.hl.TZ0.4i: Magnesium chloride can be electrolysed. (i) Deduce the half-equations for the reactions at each...
• 16N.2.sl.TZ0.4g: Magnesium chloride can be electrolysed. Deduce the half-equations for the reactions at each...
• 16N.2.sl.TZ0.4c: Magnesium burns in air to form a white compound, magnesium oxide. Formulate an equation for the...
• 16N.2.sl.TZ0.3a: Identify the formula and state symbol of X.
• 16M.3.sl.TZ0.3a: State the overall redox equation when carbon monoxide reduces Fe2O3 to Fe.
• 16M.2.hl.TZ0.1d: Impurities cause phosphine to ignite spontaneously in air to form an oxide of phosphorus and...
• 16M.2.hl.TZ0.1b: Phosphine is usually prepared by heating white phosphorus, one of the allotropes of phosphorus,...
• 16M.2.sl.TZ0.2b: (i) State the equation for the reaction of this oxide of phosphorus with water. (ii) Predict how...
• 16M.2.sl.TZ0.1b: Phosphine is usually prepared by heating white phosphorus, one of the allotropes of phosphorus,...
• 16M.1.sl.TZ0.1: Which equation represents sublimation?   A. 2Al(s)+3I2(g)→2AlI3(s)B. HgCl2(s)→HgCl2(g)C....
• 15M.1.hl.TZ2.2: Which expression gives the sum of all the coefficients for the general equation for the...
• 15M.1.sl.TZ2.3: What is the sum of all coefficients for the combustion of one mole of propane? ___...
• 14M.1.sl.TZ2.4: Some sodium chloride is dissolved in water. Which term describes the role of sodium chloride in...
• 13N.1.hl.TZ0.2: What are the coefficients of...
• 13N.2.hl.TZ0.5a: Methanol reacts with trinitramide to form nitrogen, carbon dioxide and water. Deduce the...
• 13N.1.sl.TZ0.3: What are the coefficients of...
• 13N.2.sl.TZ0.4a: Methanol reacts with trinitramide to form nitrogen, carbon dioxide and water. Deduce the...
• 13M.2.hl.TZ1.9a.iii: 2-bromobutane can be produced from but-2-ene. State the equation of this reaction using...
• 13M.1.sl.TZ1.3: What is the whole number ratio of the coefficients of ammonia to oxygen when the following...
• 13M.2.sl.TZ1.3a: Compare how electric current passes through sodium and sodium chloride by completing the table...
• 13M.2.sl.TZ1.8a.iii: Bromoethane can be produced either from ethene or from ethane. State an equation for each reaction.
• 13M.2.sl.TZ1.8b.i: State the equation for the reaction of...
• 13M.2.hl.TZ2.7c.iii: Deduce a balanced chemical equation, including state symbols, for the overall reaction which will...
• 13M.2.hl.TZ2.7e.v: Deduce the overall cell reaction, including state symbols.
• 13M.2.sl.TZ2.1f.i: One titration was abandoned because a brown precipitate, manganese(IV) oxide, formed. State the...
• 13M.2.sl.TZ2.6b.iii: State the balanced chemical equation for the reaction of potassium bromide, KBr(aq), with...
• 12N.2.hl.TZ0.6f.i: Deduce the overall equation for the reaction.
• 09N.1.hl.TZ0.1: Which coefficients would balance this equation? __ \({\text{Mn}}{{\text{O}}_2} + \) __...
• 09M.1.sl.TZ1.3: What is the coefficient for \({{\text{O}}_{\text{2}}}{\text{(g)}}\) when the equation for the...
• 11M.1.sl.TZ1.1: What is the sum of all coefficients when the following equation is balanced using the smallest...
• 11M.1.sl.TZ2.2: What is the sum of the coefficients for the equation when balanced using the smallest possible...
• 12M.1.sl.TZ2.2: Nitroglycerine, \({{\text{C}}_3}{{\text{H}}_5}{{\text{N}}_3}{{\text{O}}_{\text{9}}}\), can be...
• 12M.1.sl.TZ2.5: Which statements about solutions are correct? I.     A solute dissolves in a solvent to form a...
• 12M.2.sl.TZ2.2a: State the equation for the reaction between magnesium and hydrochloric acid.
• 11N.1.sl.TZ0.2: What is the sum of the coefficients when the following equation is balanced using whole...