CHEMICAL REACTIONS AND EQUATIONS CLASS

Can you recall? (Textbook page no. 30) 1. What are the types of molecules of elements and compounds? The molecules of an element are made of one or more atoms that are exactly alike whereas, the molecules of compound are made up of atoms of different types. 2. What is meant by valency of elements? … Read more

PERIODIC CLASSIFICATION OF ELEMENTS NOTES

PERIODIC CLASSIFICATION OF ELEMENTS NOTES Basic concepts – Matter – It is anything around us which has mass and which occupy space States of matter: – Solid Liquid Gas Plasma state (Occurs at extremely high temperature – 11,000° – 14,500° Fahrenheit or 150 million degrees Celsius) Bose Einstein condensates (temperatures very close to absolute zero … Read more

GRAVITATION EXERCISE QUESTIONS

1. Study the entries in the following table and rewrite them putting the connected items in a single row. GRAVITATION EXERCISE QUESTIONS 2. Answer the following questions. a. What is the difference between mass and weight of an object. Will the mass and weight of an object on the earth be same as their values … Read more

Life Processes 1 Test.

Life Processes 1 Test. Dear students, sharing with you Life Processes 1 Test. This will help you for preparing for board exam. Q.1. (A) Choose and write the correct option:             (5 Marks) Water content of Blood Plasma is ……………… . 70% 90% 65% 50% In which part of cell, electron transfer chain reaction occurs? Cytoplasm … Read more

Gravitation Test Answers

Gravitation Test Answers Total marks – 40                                                                  Time – 2 Hrs.   Q 1 (A) Choose the correct alternatives            (5 marks)    Gravitation Test Answers If the distance between two objects increases 5 times, the gravitational force becomes times. (a) 5 (b) 15 (c) 1/25 (d) 25 The gravitational force on the surface of the … Read more

Periodic Table Quiz – 1

Dear students, sharing with you Periodic Table Quiz – 1. It will surely help in enriching your Science knowledge. Visit our youtube channel – https://youtube.com/@AkshataKirpekar?si=X7Pdv4rQM_4ucEFB