One of the four words is a class to which the other three members belo

1.	One of the four words is a class to which the other three members belong. Identify the class.A. SapphireB. RubyC. PennaD. Ratna1. A2. B3. D4. C
Answer» Correct Answer - Option 3 : D The logic follows here is: Sapphire, Ruby, and Penna are precious gems stones whereas Ratna is the other name of Jewel. Rarity is another characteristic that lends value to a gemstone. Ruby crystal is generally made of aluminum oxide (Al₂O₃). Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. Hence, The correct answer is "Option 3". A variety of the corundum family, Ruby is famous for its deep red hue and vibrant glow. Penna is known for its intense green shade and a clear depth of color that very few gems possess. Pure sapphires are actually white, but in the presence of titanium and iron traces, they acquire a velvety blue color.

One of the four words is a class to which the other three members belong. Identify the class.A. SapphireB. RubyC. PennaD. Ratna1. A2. B3. D4. C

Answer» Correct Answer - Option 3 : D

The logic follows here is:

Sapphire, Ruby, and Penna are precious gems stones whereas Ratna is the other name of Jewel.

Rarity is another characteristic that lends value to a gemstone.

Ruby crystal is generally made of aluminum oxide (Al₂O₃).

Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium.

Hence, The correct answer is "Option 3".

A variety of the corundum family, Ruby is famous for its deep red hue and vibrant glow.
Penna is known for its intense green shade and a clear depth of color that very few gems possess.
Pure sapphires are actually white, but in the presence of titanium and iron traces, they acquire a velvety blue color.

One of the four words is a class to which the other three members belong. Identify the class.A. SapphireB. RubyC. PennaD. Ratna1. A2. B3. D4. C

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