Class 10th Science Chapter-2 Practise Questions PDF Part II

Class 10th Science Chapter-2 Practise Questions PDF Part II
Class 10th Science Chapter-2 Practise Questions PDF Part II

Class 10th Science Chapter-2 Practise Questions PDF Part II – This is the 2nd part of Our Practice Questions. If you haven’t completed the first part of our this Practices Question Paper then just please complete that one first by just clicking Here.

Also If you haven’t completed the Exemplar problems, Notes and all other stuff like NCERT Problems and Quizzes of this chapter then please do them first of all and then Came to this Content.

If you find any Problem in solving these problems then please let me know in the Comment section. I will personally help you and I will definitely help you in solving your Query.

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Very Short Question/Answers:-

Q1. What are Indicators? Give two examples each of natural and artificial indicators?

Q2. Write the common name of CaOCL2?

Q3. Name the gas evolved when NaOH reacts with Zinc?

Q4. Why is toothpaste basic in Nature?

Q5. Name the acid present in an Ant Sting?

Short Answer Questions-1 (Class 10th Science Chapter-2 Practise Questions PDF Part II)

Q7. Efferevces are formed when the batter for cake is heated. Which substance is present in the batter? Name the gas evolved. Write the chemical Equation involved?

Q8. What is a Universal indicator? Give its use.

Q9. While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?

Q10. Write the name and formula of each of the following:-

  1. An acidic Salt.
  2. A basic Salt.

Q11. Justify the statement ‘plants and animals are pH-sensitive’ by giving two Examples?

Short Answer type-II {Class 10th Science Chapter-2 Practise Questions PDF Part II}

Q12. What are the Products formed when an acid reacts with a Base? What is the type of reaction? Give one example and the name of salt that obtained?

Q13. Identify the compound ‘X’ on the basis of the reaction given below. Also, write the names and Chemical formulas A, B, and C.

Compound X + Zn ——> A + H2 (g)

Compound X + HCl ——-> B + H2O

Compound X + CH3COOH ——-> C + H2O

Q14. A gas ‘X’ reacts with lime water and forms a compound ‘Y’ which is used as a Bleaching agent in Chemical Industry. Identify ‘X’ and ‘Y’. Give the chemical Equation of the Reaction Involved?

Q15. (a). A solution has a pH of 7 (seven). Explain how you would:-

  1. Increase its pH,
  2. Decrease its pH.

Long Questions Answer [5-Marks] (Class 10th Science Chapter-2 Practise Questions PDF Part II)

Q17. (a). You are provided with 3 Test tubes A, B, C which contains Distilled water, acidic and basic solutions. If you are given Blue Litmus paper only, how will you identify the nature of the solutions in the test tube?

(b). How will you prove that the given salt is Carbonated of a Metal?

Q18. (a). For each of the compounds A and B, Suggest a suitable method of its preparation along with the Balanced Chemical Equation?

  1. A is Bleaching powder.
  2. B is Gypsum.

(b). Mention two uses of Bleaching Powder?

Q19. A compound ‘X’ is bitter to taste. It is a compound of washing powder and reacts with dilute HCl to product brisk effervesces due to colorless and odorless gas ‘Y’ which turns lime water into Milky due to the formation of ‘Z’ when the access of CO2 passes, Milkiness disappears due to the formation of ‘P’. Identify ‘x’ , ‘Y’ , and ‘Z’ and ‘P’. Write the Equation involved in the formation of Y Z and P?

Q20. For making Cake, Baking Powder is taken. If at our home your mother uses baking Soda instead of Baking Powder in Cake?

(a). How it will affect the taste of the cake and Why?

(b). How can baking soda be converted into baking Powder?

(c). What is the role of Tartaric Acid added to baking Soda?

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