Sujeet Kumar

1. Choose the correct option. Question A.The energy difference between the shells goes on ……….. when moved away from the nucleus.a. Increasingb. decreasingc. equalizingd. staticAnswer:b. decreasing Question B.The value of Plank’s constant isa. 6.626× 10-34 Jsb. 6.023× 10-24 Jsc. 1.667 × 10-28 Jsd. 6.626× 10-28 JsAnswer:a. 6.626× 10-34 Js Question C.p-orbitals are ……. in shape.a. sphericalb. dumbbellc. double dumbbelld. diagonalAnswer:b. … Read more

1. Choose the correct option Question A.Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?a. Fractional crystallizationb. Crystallizationc. Distillationd. Solvent extractionAnswer:a. Fractional crystallization Question B.Which of the following techniques is used for the separation of glycerol from soap in the soap industry?a. Distillation under reduced … Read more

1. Choose the correct option Question A.The branch of chemistry which deals with the study of separation, identification, and quantitative determination of the composition of different substances is called………………..a. Physical chemistryb. Inorganic chemistryc. Organic chemistryd. Analytical chemistryAnswer:d. Analytical chemistry Question B.Which one of the following property of matter is Not quantitative in nature ?a. Massb. … Read more

1. Choose the most correct option. Question A.A sample of pure water, whatever the source always contains …………. by mass of oxygen and 11.1 % by mass of hydrogen.a. 88.9b. 18c. 80d. 16Answer:a. 88.9 Question B.Which of the following compounds can NOT demonstrate the law of multiple proportions?a. NO, NO2b. CO, CO2c. H2O, H2O2d. Na2S, … Read more

Textbook Questions and Answers Character: Question 1.Mayor Peter Stockmann is a contrast to Dr. Thomas Stockmann. Justify.Answer:There are lots of good things you can say about Dr. Stockmann, the protagonist of ‘An Enemy of the People’. He is an idealist and a man having great love and care for his family. He is generous with … Read more

Textbook Questions and Answers Characters: 1. Choose the odd one out. Question (i)Bottom, Moth, Mustard seed, CobwebAnswer:Bottom Question (ii)Flute, Snug, Quince, CobwebAnswer:Cobweb Question 2.Match the columns. Column ‘A’ Column ‘B’ (a) Theseus 1. Robin Goodfellow (b) Titania 2. Queen of the Amazons (c) Puck 3. Duke of Athens (d) Hippolyta 4. Fairies (e) Cobweb, Moth … Read more

Textbook Questions and Answers (A1) Question 1.There are some dialogues which are short, but quite effective. They give us enjoyment and add beauty to the main story. Find some more from the text. (Answers are given directly in bold) Answer: (A2) Theme Comment on the given statement after reading the given dialogue. Question (a)“And if … Read more

Textbook Questions and Answers 1. Name any four periods of History of British drama. Question 1.Name any four periods of History of British drama.Answer:The four periods of History of British drama are: 2. List the four elements of drama. Question 1.List the four elements of drama.Answer:The four elements of drama are: 3. State a type … Read more

Textbook Questions and Answers Question 1.Read the given words and share with your friend what comes to your mind.Answer:Anchoring:It requires absence of stage fright, presence of mind and confidence.Compering:It requires, confidence and knowledge and smartness to make quick changes.Hosting Programmes:He has to shoulder responsibility of everything needed for the programme including stage arrangement, seating arrangement, … Read more

Textbook Questions and Answers 1. Read the following conversation and complete the activities given below. Question (i)Choose the correct alternative from the following. From one star given to the movie we conclude that –(a) The movie is very short.(b) The movie is not worth watching.(c) The movie is serious.(d) The movie is in black and … Read more