Tuesday , June 15 2021

Science

NCERT 11th Class CBSE Physics Unit Test 2019

Science Solved Sample Paper

School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 40 Minute Marks: 20 Class: 11th Class Date: 21/8/2019 NCERT 11th Class CBSE Physics Unit Test 2019 Question: 1. It the units of force and length each are doubled then how many times would the unit of energy be affected? [1] Question: 2. Give …

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9th Class CBSE Science Unit Test 2019-20

Science Solved Sample Paper

NCERT 9th Class CBSE Science Unit Test 2019-20: Himalaya Public Sr Sec School, Rohini, New Delhi School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 40 minutes Marks: 20 Class: 9th Subject: Science Date: 27/8/2019 Question: 1. Explain the reason when a carpet is beaten with a stick, dust comes out of it. [1] …

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10th CBSE Science Pre Board Exam 2020-21

Science Solved Sample Paper

10th CBSE Science Pre Board Exam 2020-21 School Name: Himalaya Public School, Sector 13, Rohini, Delhi 110085 India Time: 3 hours Maximum Marks: 80 Class: 10th Date: 18 / 01 / 2021 Subject: Science General Instructions: 10th CBSE Science Pre Board Exam 2020-21 The question paper comprises four sections A, B, C and D. There are 36 questions …

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9th Science Mid Term Exam Question Paper (2019-20)

Science Solved Sample Paper

9th Science Mid Term Exam: Question Paper (2019-20) School Name: Himalayan Public School, Sector 13, Rohini, Delhi 110085 India Time: 3 hours Marks: 80 Date: 13/09/2019 Class: IX Subject: Science General Instructions: Section A: 9th Science Mid Term Exam Question: 1. During summer, water kept in earthen pot become cool due to phenomenon …

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Wastewater Story: 7th Class NCERT CBSE Science Ch 18

7th Class CBSE Science NCERT Book

Wastewater Story 7th Class NCERT CBSE Science Chapter 18 Question: Wastewater is fit for human consumption or not. Give reason to support your answer. Answer: No, because it is dirty and has many diseases causing organisms like cholera, typhoid etc. Question: Name two chemicals used to disinfect wastewater. Answer: Chlorine and ozone …

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