Metal Guessing Challenge

Metal Guessing Challenge

Professional Development

10 Qs

quiz-placeholder

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Metal Guessing Challenge

Metal Guessing Challenge

Assessment

Quiz

Science

Professional Development

Hard

Created by

Thebe Mokone

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Was first discovered in 1774 and it is the 5th most abundant metal in the earth’s crust. Used by pre-historic cave painters around 30 000 years ago?

Carbon

Manganese

Molydenum

Cadmium

2.

MULTIPLE SELECT QUESTION

30 sec • 3 pts

Primary manganese ore mineral include:

Braunite    

Vredenburgite

Jacobsite

Polandite

3.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

Manganese minerals are widely distributed as:

Stomatolite

Rhodochrosite

Khandalite

Pyrulosite

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is/are not true about manganese?

Essential human dietary element?

Important for muscle development

Important for bone formation

Important in macronutrient metabolism

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manganese is too brittle to be of much use as a pure metal? Thus, it is most commonly used in alloys, such as steel. The extremely strong manganese steel alloy used for railway lines contains:

13% Mn

1% Mn

20% Mn

5% Mn

6.

MULTIPLE SELECT QUESTION

30 sec • 4 pts

Which of the following countries are the main manganese producing countries in the world?

Gabon

Russia

China

South Africa

Australia

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The melting point of manganese is:

1350 ͦC

1425 ͦC

1246 ͦC

1440 ͦC

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