Question

(C) Mizoram
D) Meghalaya
(2) Who from the following speaks the incorrect statement ? Find out
(A) Kashish : Gold, silver, platinum are precious minerals.
(B) Kinni : Bauxite, titanium and magnesium are light metallic minerals.
(C) Dhruvi : Tungsten, manganese, and chromium etc. are non-metallic minerals.
(D) Nidhi : Lead, copper and iron etc. are minerals taken in common use.
3) Match the corrent
noir​

Answer 1

Incorrect statements are

(B) Kinni : Bauxite, titanium and magnesium are light metallic minerals.

(C) Dhruvi : Tungsten, manganese, and chromium etc. are non-metallic minerals.

• Bauxite is a sedimentary rock and not metal. It is a source of aluminium in the form of aluminium oxide.
• Tungsten, manganese and chromium are metals, and not non metals.
• Manganese is a transition metal represented by the symbol Mn.
• Chromium is also a transition metal represented by the symbol Cr.
• Tungsten is a special metal as it shows characteristic of ultra hardness, which is not seen in other elements. It is represented by the symbol W.

Answer 2

Answer:

C) Dhruvi: Tungsten, manganese, and chromium etc. are non-metallic minerals.

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