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Differentiate between the following pairs of compounds using the reagent given in the bracket: (a) Ammonium chloride and Sodium chloride (using an…
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(a) State Avogadro’s Law. (b) Define Co-ordinate bond.
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Acidulated water is electrolysed using platinum electrodes. Answer the following questions: (a) Why is dilute sulphuric acid added to water? (b) Write…
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Draw the dot and cross structure of the following: (a) An ionic compound formed when Mg reacts with the dilute HCl. (b)…
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Answer the following questions with reference to the concentration of bauxite ore. (a) Name the process used to concentrate the ore. (b)…
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Seema added a few pieces of copper turnings to a test tube containing concentrated acid P and she noticed that a reddish-brown…
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An organic compound ‘X’ contains carbon, oxygen and hydrogen only. The percentage of carbon and hydrogen are 47.4% and 10.5% respectively. The…
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Given below are organic compounds labelled A to F. Answer the questions that follow: (a) Which compound forms a single product with…
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Given below is a diagram showing the placement of five different oxides. With respect to the given diagram answer the following questions:…
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Rohit took two different salt solutions in test tubes C and D as shown in the figure below. He added dilute HCl…
