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A crossing of two or more breeds and alternately mating the hybrid females over several generations with males of the original breeds is called criss crossing.
Which of the Following is not the Ore of Aluminium ?
Repetition of sound produced by reflection of sound waves is called-
Which acid is responsible for the stinging sensation caused by the nettle plant?
What is the process called that forms a protective oxide layer on aluminum?
Protons were discovered by
How many oxygen atoms are present in a molecule of Aluminum sulfate, Al₂(SO4₄)₃ ?
Which of the following is the sweetest sugar?
Carbon-14 is produced in the Earth's atmosphere due to the interaction of nitrogen-14 with what type of rays?
Atomic number of an element is equal to the number of ____ in the nucleus.
Calcium cyanamide, used as a fertilizer, is commercially known as ______.
