Rock Salt -Multiple Choice Questions Quiz

Question 1: What is the chemical name of rock salt?

(a) Sodium chloride
(b) Calcium carbonate
(c) Iron oxide
(d) Potassium sulfate

Question 2: What is the common usage of rock salt?

(a) Jewelry
(b) Fertilizer
(c) Building material
(d) De-icing roads and sidewalks

Question 3: In what type of geological formation is rock salt often found?

(a) Igneous rocks
(b) Sedimentary rocks
(c) Metamorphic rocks
(d) Precious stones

Question 4: What is the crystal structure of rock salt?

(a) Cubic
(b) Hexagonal
(c) Orthorhombic
(d) Tetragonal

Question 5: What is the main source of sodium chloride used in food seasoning?

(a) Sea water
(b) River water
(c) Groundwater
(d) Rainwater

Question 6: What is the taste of pure rock salt?

(a) Sweet
(b) Bitter
(c) Salty
(d) Sour

Question 7: What process is commonly used to extract sodium chloride from underground deposits?

(a) Mining
(b) Drilling
(c) Excavation
(d) Blasting

Question 8: Which property of rock salt makes it useful for preserving food?

(a) Reflects light
(b) Absorbs water
(c) Conducts electricity
(d) Is an insulator

Question 9: What color is pure rock salt?

(a) Red
(b) Blue
(c) White
(d) Green

Question 10: What other mineral is often found mixed with rock salt, giving it a pink color?

(a) Quartz
(b) Calcite
(c) Gypsum
(d) Feldspar

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Results:

Total score: /10

Answer key:

Question 1: a

Question 2: d

Question 3: b

Question 4: a

Question 5: a

Question 6: c

Question 7: a

Question 8: b

Question 9: c

Question 10: c