Ruby is a mineral form of

Options :
  1. Silicon Oxide
  2. Manganese Dioxide
  3. Beryllium Oxide
  4. Aluminium Oxide
Answer and Explanation :-

Answer: Option 4

Explanation:

Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Silverfish is a

Next Question : Of all the invertebrates, Octopus has the distinguishing feature of being the most

Click here for online test on General Science

Responses


 (Getemail alerts when others member replies)







On your track to success, never forget that you are crossing many rivers. Yes you are! And each of those rivers contain crocodiles that may attempt to intimidate you. Never be afraid sail on and you will get there.
-Israelmore Ayivor