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Sum of Length, Breadth and height of a cuboid is 30 cm (l+b+h) = 30cm Total surface area of cuboid = 592cm² 2(lb+bh+hl) = 592cm² Sum of Square of Length, Breadth and Height = l² +b² +h² l² +b² +h² = (l+b+h)² - 2(lb+bh+hl) l² +b² +h² = (30)² - 592 = 900 – 592 = 308
Which of the following is a physical change?
The pH of a neutral solution is —
The gas used for filling weather balloons is-
The major constituent of air is
Milk tastes sour when kept in the open for sometimes due to the formation of-
The noble gas used in radiotherapy is
______is the process in which acids and bases react to form salts and water
The acid used in lead storage cells is-
The pH of a neutral solution is —
Formation of ozone hole is maximum over