DP Chemistry Questionbank

Description

Directly related questions

• 18M.1.sl.TZ2.19: Activity series of selected...
• 18M.1.sl.TZ1.20: What are the products of the reaction between sulfuric acid and sodium hydrogen carbonate? A.   ...
• 18M.2.hl.TZ2.2d.iii: Outline, using an equation, why sodium ethanoate is basic.
• 17N.3.sl.TZ0.2a: State an equation for the reaction of magnesium hydroxide with hydrochloric acid.
• 17M.2.hl.TZ2.8b.v: State a technique other than a pH titration that can be used to detect the equivalence point.
• 17M.2.sl.TZ2.1c.i: Some oxides of period 3, such as Na2O and P4O10, react with water. A spatula measure of each...
• 17M.3.sl.TZ1.2b: Deduce why the temperature is higher in mixture C than in mixture D.
• 17M.3.sl.TZ1.2a: Deduce why more heat was produced in mixture B than in mixture A.
• 17M.2.sl.TZ1.2f.ii: Suggest one disadvantage of using this smoke in an enclosed space.
• 16N.2.hl.TZ0.2c: 5.00 g of an impure sample of hydrated ethanedioic acid, (COOH)2•2H2O, was dissolved in water to...
• 16N.2.sl.TZ0.2c: 5.00 g of an impure sample of hydrated ethanedioic acid, (COOH)2•2H2O, was dissolved in water to...
• 16N.1.sl.TZ0.27: A student carried out a titration to determine the concentration of an acid and found that his...
• 16N.1.sl.TZ0.20: What occurs when solid sodium hydrogen carbonate reacts with aqueous sulfuric acid?  A. Bubbles...
• 16M.3.sl.TZ0.2c: Suggest why, despite preparing the solution and performing the titrations very carefully, widely...
• 16M.3.sl.TZ0.2b: (i) State the colour change of the indicator that the student would see during his titration...
• 15M.1.sl.TZ1.21: Which gas in the atmosphere causes the pH of unpolluted rain to be approximately 6? A.   ...
• 14M.2.hl.TZ1.1d: Magnesium sulfate is one of the products formed when acid rain reacts with dolomitic limestone....
• 14M.2.hl.TZ1.8a: Outline how electrical conductivity can be used to distinguish between a...
• 14M.1.sl.TZ2.21: Which compound reacts with calcium oxide, CaO? A.     \({{\text{K}}_{\text{2}}}{\text{O}}\) B....
• 14M.2.sl.TZ1.1e: (i)     State the equation for the reaction of sulfuric acid with magnesium...
• 14M.2.sl.TZ1.7a: Outline how electrical conductivity can be used to distinguish between a...
• 13M.2.hl.TZ2.6d.i: Describe qualitatively the action of an acid–base indicator.
• 10N.1.hl.TZ0.27: Which solutions have a pH less than 7? I.    ...
• 10N.2.hl.TZ0.6c: A small piece of magnesium ribbon is added to solutions of nitric and hydrocyanic acid of the...
• 10N.2.sl.TZ0.6d: A small piece of magnesium ribbon is added to solutions of nitric and nitrous acid of the same...
• 09N.1.hl.TZ0.25: If \({\text{20 c}}{{\text{m}}^{\text{3}}}\) samples of...
• 09N.2.hl.TZ0.8b: Describe qualitatively the action of an acid-base indicator.
• 09M.2.hl.TZ2.7a.ii: State an equation for the reaction of magnesium carbonate with dilute hydrochloric acid.