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Area of square = 225 cm², Side of square = 15 cm Area of rectangle = (l x b) Length = (15 x 1.5 = 22.5) cm Breadth = (15 x 1.2 = 18) cm Area of rectangle = (22.5 x 18 = 405) cm² Required ratio = 225/405 = 5/9 = 5:9
Biofertilizers convert nitrogen to:
Which of the following is also known as wood alcohol?
Which radioactive element is used in heart pacemakers?
Flemings right hand rule is used to find the direction of the –
Which gas is added under pressure to make soft drinks fizzy?
Bleaching powder is represented as ______.
Which of the following cannot be cut by a knife?
_____ is used for making chemical apparatus like beakers, flasks, etc.
Bases react with acids to form ________.
Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?