Chemistry Semister Sample Paper, Exams of Chemistry

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5 KP’s IIT & Medical Academy Subject : Chemistry Question Paper Total Marks :50 Class : XI Time : 2 Hour Q.1: Choose the correct option ; 4 i) SLunit of the quantity electric current is a) Volt b) Ampere ¢) Candela d) Newton it) Paper chromatography is based on the Principle of ... ®) Adsorption b) partition c) solubility d) volatility 5il) The oxidation state of phosphorus in Ba (H2P02)2 is.» a) +3 b)+2 Ql da iv) Periods Ind elements are typically known as #) Alkali Metal b) Alkaline earth metals ¢ ) Bridged elements d) None of the above Q.2:: Answer the following : i) Define : Saturated Solution. ii) What is filtrate? di) Define Oxidation agent. 4¥) State the modern periodic law. Section B : Answer the following : (ANY 6) 12 Q3 : State and explain the law of conservation of mass. Q4 : Explain : Molor volume of gas. QS : Define solvent extraction? Which properties of solvents are useful for solvent extraction. Q.6 : State the principle involved and describe the process to separate acetone and water from their mixture Q.7 : Define the terms oxidant and reductant in terms of oxidation number. Q8 : Assign oxidation number to each element in the following compound or ions : K2Cr207 Q49 : Differentiate between S-block and P-block elements. Q.10 : State the general outer electronic configuration of S-block and P-block elements.