AP TET Paper 1 Model Test 2

Section: Environmental Studies

Question : 126 of 150

Marks: +1, -0

Which one of the following statements about alkaline earth metals is not true?

Strontium salts burn with a red flame
Barium metal is used in medicine to examine the alimentary canal of a patient by X-ray
Green plants need magnesium in order to make the chlorophyll that trap the energy from sunlight in photosynthesis
Red color of gemstone Ruby is due to the element beryllium present in it

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