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Joint Military Exercise BRIGHT STAR-23 will be organized in Egypt. Armies of 34 countries of the world including India and America are participating in it. This military exercise will be conducted at Egypt's Mohammed Naguib military base from 31st August to 14th of next month.
Which of the following substances are ozone-depleting?
Select the correct answer from the code given below.
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The elements with atomic numbers 10, 18, 36, 54 are-
What is the compound used to in Nail polish remover?
Which of the following is true about Helium?
Manganite is an ore/mineral of
Which fossil fuel is formed under earth by the decomposition of vegetable matter lying under water by anaerobic bacteria in the absence of oxygen?
The noble gas used in radiotherapy is
Repetition of sound produced by reflection of sound waves is called-
Common name of Sodium Carbonate is?
Which alkali metal is represented by the atomic number 3?