Question
Match the following.Â
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Crop - Maize Water requirement - 600mm;Â Â rice - 1240mm; pea - 350mm; sugarcane - 2500mm; cotton - 800mm
Which of the following rock is not sedimentary rock?
Which of the following is NOT an isotope of oxygen?
Sphalerite is an ore/mineral of -
Potassium Permanganate is used for purifying drinking water, because it –Â
Which of the following is the best sources for Vitamin D are –
What is the chemical formula for soda ash?
Which of the following is NOT a base?
As an air bubble rises from the bottom of a lake to the surface, it will:
Ultra-purification of metals is achieved using:
What property is shared by isotopes of an element?Â