Class 10 Online Courses

Chapter 7: Class 10 Chemistry Exam Tests

Class 10 Chemistry MCQs - Chapter 7

Environmental Chemistry II Water Multiple Choice Questions PDF Download - 1

Free Environmental chemistry ii water Multiple Choice Questions and Answers (MCQs), environmental chemistry ii water MCQ Quiz PDF, test 1 to study online class 10 chemistry certificate courses. Practice Properties of Water MCQs PDF, environmental chemistry ii water quiz questions and answers to study distance learning courses. Free learning App: Environmental Chemistry II Water MCQs App Download & e-Book for properties of water, water pollution, types of hardness of water test prep for distance learning.

The Multiple Choice Question (MCQ Quiz): Ratio of hydrogen (H) and oxygen (O) in water molecule by volume is; "Environmental Chemistry II Water" App Download (Free) with answers 0.043055556, 0.084027778, 0.125694444 and 0.167361111 to study distance learning courses. Solve properties of water quiz questions, download Google eBook (Free Sample) for online courses.

Environmental Chemistry II Water Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

A) 0.084027778
B) 0.043055556
C) 0.125694444
D) 0.167361111

MCQ 2: What is the fourth step of raw water treatment?

A) sedimentation
B) coagulation
C) filtration
D) chlorination

MCQ 3: The hardness that cannot be removed by boiling is called

A) temporary hardness
B) permanent hardness
C) semi temporary hardness
D) semi permanent hardness

MCQ 4: The density of water becomes maximum at

A) 10 °C
B) 4 °C
C) 5 °C
D) 12 °C

MCQ 5: Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called

A) primary sewage treatment
B) secondary sewage treatment
C) activated sludge treatment
D) chlorination

Environmental Chemistry II Water Learning App & Free Study Apps

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Environmental Chemistry II Water App (Android & iOS)

Environmental Chemistry II Water App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)