Chapter 13 Chemical Change and Chemical Bond

Chapter 13 Chemical Change and Chemical Bond Textbook Questions and Answers 1. Complete the statement by filling the gaps using appropriate term from the terms given in the brackets: (slow,…

Chapter 12 Introduction to Acid and Base

Chapter 12 Introduction to Acid and Base Textbook Questions and Answers 1. Identify the following solutions, whether they are acid or base. Question a. Answer: 2. Write chemical names from…

Chapter 11 Human Body and Organ System

Chapter 11 Human Body and Organ System Textbook Questions and Answers 1. Find out my partner. Question a. Group ‘A’ Group ‘B’ 1. Heartbeats a. 350 ml 2. RBC b.…

Chapter 10 Cell and Cell Organelles

Chapter 10 Cell and Cell Organelles Textbook Questions and Answers 1. Who am I? Question a. I am ATP producing factory. Answer: Mitochondria Question b. I am single-layered but maintain…

Chapter 9 Disaster Management

Chapter 9 Disaster Management Textbook Questions and Answers 1. Answer the following in your own words. Question a. Explain the relation between continuous rains and landslide. Give reasons. Answer: Before…

Chapter 8 Pollution

Chapter 8 Pollution Textbook Questions and Answers 1. Following are some statements about pollution. Which type of pollution do those express: Question a. Fog seems to be appearing in Delhi…

Chapter 7 Metals and Nonmetals

Chapter 7 Metals and Nonmetals Textbook Questions and Answers 1. Complete the table: Question a. Answer: Property of metal Use in everyday life i. Ductility i. Gold, silver ornaments ii.…

Chapter 6 Composition of Matter

Chapter 6 Composition of Matter Textbook Questions and Answers 1. Choose the appropriate option and rewrite the following statements: Question a. The intermolecular force is ……………. in the particles of…

Chapter 5 Inside the Atom

Chapter 5 Inside the Atom Textbook Questions and Answers 1. Answer the following. Question a. What is the difference in the atomic models of Thomson and Rutherford? Answer: Thomson’s atomic…

Chapter 4 Current Electricity and Magnetism

Chapter 4 Current Electricity and Magnetism Textbook Questions and Answers 1. Write proper words from the following group of words in the blanks and rewrite the completed sentences: (magnetism, 4.5V,…