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Differentiate between a glass slab and a glass prism.
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Identify the type of reaction taking place in the following case and write the balanced chemical equation for the reaction.
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
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Answer the following question.
List two properties of alloys.
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Draw magnetic field lines in and around a current-carrying straight solenoid.
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When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.
List two types of reactions in which this reaction can be placed.
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What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
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A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
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The following reaction is an example of:
\[\ce{4NH3_{(g)} + 5O2_{(g)} -> 4NO_{(g)} + 6H2O_{(g)}}\]
(i) displacement reaction
(ii) combination reaction
(iii) redox reaction
(iv) neutralisation reaction
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Which option denotes a double displacement reaction?
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Which among the following is (are) double displacement reaction(s)?
(i) \[\ce{Pb + CuCl -> PbCl2 + Cu}\]
(ii) \[\ce{Na2SO4 + BaCl2 -> BaSO4 + 2NaCl}\]
(iii) \[\ce{C + O2 -> CO2}\]
(iv) \[\ce{CH4 + 2O2 -> CO2 + 2H2O}\]
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Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of reaction involved?
(i) Displacement reaction
(ii) Precipitation reaction
(iii) Combination reaction
(iv) Double displacement reaction
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In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?
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Galvanisation is a method of protecting iron from rusting by coating it with a thin layer of ____________.
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Amalgam is an alloy of ____________.
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Copper objects lose their shine and form green coating of ____________.
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Which among the following alloys contain mercury as one of its constituents?
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When white light enters a glass prism from the air, the angle of deviation is least for ____________.
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Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
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Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
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