Class 8 Online Courses

Chapter 18: Earth Science Exam Tests

Earth Science MCQs - Chapter 18

Rocks and Minerals Mixtures Quiz Questions and Answers PDF - 7

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The Quiz: Skeletons of coral are made up of; "Rocks and Minerals Mixtures" App Download iOS & Android (Free) with answers calcium carbonate (caco3), sodium carbonate (na2co3), potassium carbonate (k2co3) and zinc carbonate (znco3) to learn high school online courses. Study sedimentary rock composition quiz questions, download Amazon eBook (Free Sample) for taking online classes.

Rocks and Minerals Mixtures Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The skeletons of coral are made up of

A) Sodium Carbonate (Na2CO3)
B) Calcium Carbonate (CaCO3)
C) Potassium Carbonate (K2CO3)
D) Zinc Carbonate (ZnCO3)

MCQ 32: When exposed to heat, the clay minerals turn into

A) lite minerals
B) nite minerals
C) mica minerals
D) biotite minerals

MCQ 33: The skeletons of corals settle on the ocean bed, after which they get cemented to form

A) clastic limestone
B) chemical limestone
C) inorganic limestone
D) fossiliferous limestone

MCQ 34: Extrusive Igneous Rocks contain

A) small crystals
B) no crystals
C) large crystals
D) small or no crystals

MCQ 35: The process by which sediment is removed by its source is known as

A) evaporation
B) logging
C) salivation
D) erosion

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Rocks and Minerals Mixtures App (Android & iOS)

Rocks and Minerals Mixtures App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)