Class 10th Science Ch-5 Practice Questions Part-II {Periodic Table and its Classification}

Class 10th Science Ch-5 Practice Questions Part-II {Periodic Table and its Classification}
Class 10th Science Ch-5 Practice Questions Part-II {Periodic Table and its Classification}

Class 10th Science Ch-5 Practice Questions Part-II, Download Pdf just by clicking here. this is the 2nd part of our practice paper series. But If you haven’t completed or Downloaded the 1st part of this Series then please download that first of all.

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Very Short Questions [1-marks] Class 10th Science Ch-5 Practice Questions Part-II

Q1. Name the process of converting vegetable oils into Vegetables Ghee?

Q2. What is the general formula Alkanes? Identify the alkanes from the following hydrocarbons. CH4, C2H2, C2H6, C3H6, AND C3H8.

Q3. Draw the electron dot structure of ethyne and also draw its structural formula.

Q4. State the reason why covalent compounds are generally poor conductors of Electricity.

Q5. draw the structural formula of Methanoic Acid?

Q6. A compound ‘X’ has a formula C3H6. It decolorizes bromine water. Write the chemical name of ‘X’.

Q7. Write the molecular formula of the 2nd and 3rd, member of the homologous series first member is ethene.

Q8. Write the molecular formula of (i). Ethane (ii). Ethanoic Acid.

Short Answer Questions-I [2-Marks] Class 10th Science Ch-5 Practice Questions Part-II

Q9. Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show additional Reactions. Give the test to distinguish ethane from ethene?

Q10. What will happen if ethanol reacts with Ethanoic Acid in the presence of a mineral acid? Name the reaction. Write the chemical equation for the Reaction.

Q11. Give Chemical tests to direct the presence of (a). Ethanol and (b). Ethanoic Acid.

Q12. Write the two factors because of which caron compounds exist in large Numbers.

Q13. (a). Write your Observation, If you dip a red litmus paper in soap water.

(b). Suggest one method to remove the temporary hardness of the water.

Q14. Explain the cleansing action of soap with the help of a diagram.

Q15. Give one example of an element other than carbon which forms a covalent bond. Also, draw its electron dot structure.

Q16. How is the Ethene prepared from ethanol? Give the reason involved in it.

Short Answer Questions-II [3-Marks] Class 10th Science Ch-5 Practice Questions Part-II

Q17. Complete the following chemical equations:-

(i). C2H5OH + O2 —->

(ii). C2H5OH (in presence of hot Conc. H2SO4)——>

(iii). CH3COOH + NaHCO3 —->

Q18. Write the same and general formula of a chain of hydrocarbons in which an additional reaction. starting this condition, Write a chemical equation giving the name of the reactant and the product of the reaction.

Q19. Name the reaction which is commonly used in the conversion of vegetable oils to fats. Explain the reaction Involved in detail.

Q20. Two Carbon compound X and Y have the molecular formula C3H6 and C4H10 respectively. Which one of the most likely to show additional reaction? Justify your answer. Also, give the chemical equation to explain the process of the addition reaction.

Q21. Name the two compounds formed when ethanol is heated in excess of conc. sulphuric acid in it. What would happen if hydrogen is added to the product of this reaction in the presence of catalysts such as Palladium or Nikel?

Q22. A compound X is formed by the reaction of a carboxylic acid C2H4O2 and alcohol in the presence of a few drops of H2SO4. The Alcohol on oxidation with Alkaline KMNO4 followed by acidification gives the same Carboxylic acid as used in this reaction. Give the names and structures of the:- (a). Carboxylic acid,

(ii). Alcohol and,

(iii). Compound X.

Also, write the reaction.

Q23 Write three different chemical reactions showing the conversion of ethanoic acid to sodium Ethanoate. Write the balanced chemical equation in each case. Write the name of the Reactants and the products other than ethanoic acid and sodium Ethanoate in each case.

Q24. (i). Name the products obtained on the Complete combustion of hydrocarbons? Hp0w is the gas evolved during Combustion tested in Laboratory? Explain in Brief.

(ii). Write the next higher homolog of:- (a). C3H6 (b). C5H8

Q25. State ant three points of difference between ionic and Covalent Compounds.

Q26. What happens when (Write chemical Equation in each case)

(a). Ethanol is burnt in Air?\

(b). Ethanol is heated with excess conc. H2SO4 at 443K?

(c). A piece of sodium is dropped into Ethanol?

Q27. What are Hydrocarbons? Write the general Formula of (i) Saturated Hydrocarbons and, (ii) unsaturated Hydrogen carbonate and draw the structure of one Hydrocarbons of each type.

Long Questions:- [5-Marks] Class 10th Science Ch-5 Practice Questions Part-II

Q28. What are hydrocarbons? Distinguish alkanes from alkenes and each of them forms alkynes, giving one example of each. Draw the structure of each compound cited as an example to justify your answer.

Q29. An organic compound ‘A’ on heating with another compound ‘B’ in the presence of concentrated sulphuric acid forms a sweet-smelling compound ‘C’?

(i). Identify the name of this chemical reaction.

(ii). Write the balanced chemical equation for the above chemical Reaction.\

(iii). Write one compound ‘C’.

(iv). Write a balanced chemical equation for the reaction when an acid or base is added to compound ‘C’.

Q30. Explain the given Reactions with the Examples:-

(i). Hydrogenation reaction, (ii). Oxidation Reaction, (iii). Substitution reaction, (iv). Saponification Reaction, (v) Esterification reaction.

Q31. What is Meant by “Structural Isomers”? Give the Reason why propane (C3H8) cannot exhibit characteristics. Draw the structural possible isomers of Butane (C4H10).

Q32. Easters are sweet-smelling substances and are used in making perfumes. Suggest some activity and the reaction involved in the preparation of easter with a well-labeled Diagram.

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Class 10th Science Ch-5 Practice Questions Part-II {Periodic Table and its Classification}

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