5. Which of the following property of crystalline substance describes the similar chemical composition? a. Isotopism Iso

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5 Which Of The Following Property Of Crystalline Substance Describes The Similar Chemical Composition A Isotopism Iso 1 (96 KiB) Viewed 30 times

5. Which of the following property of crystalline substance describes the similar chemical composition? a. Isotopism Isotopism b. C. Allotropism d. Isomorphism Source: Curriculum Development Centre, Sanothimi, Bhaktapur 6. SO3 gas is formed as an intermediate during the manufacture of Sulphuric acid by contact process. The formation of Sulphur trioxide from sulfur dioxide and oxygen is reversible. 2SO2 +022SO3 AH = -196 kJmol-¹ Which conditions of pressure and temperature favor the reverse reaction? a. High pressure and high temperature b. High pressure and low temperature C. Low pressure and high temperature d. Low pressure and low temperature 7. Which is the correct order of ease of carbon dioxide production by heating the Group II metal carbonates? a. MgCO3>BeCO3>CaCO3>RaCO3 b. CaCO3>MgCO3>BeCO3>RaCO3 C. BeCO3>MgCO3>CaCO3>BaCO3 d. BeCO3<MgCO3<CaCO3<RaCO3