An element which is preserved under water is
White phosphorus undergoes spontaneous combustion when exposed to air. In order to prevent this spontaneous ignition, it is preserved under water.
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Which of the following is an example of compound?
The concept of Economic planning in India is derived from ________.
What is called the residual eroded mounds sporadically located in Karst Plains?
The law of constant proportions was enunciated by
Which one of the following is a natural colloid ?
The reflex angle between the hands of a clock at 11:35 is ?
Apply the formula for finding the angle:Angle=(30h-(11/2)m( where m stands for minutes and h stands for hours)Hence, 30x11 - 11/2x35 = 330 - 192.5 = 137.5 degreesThe reflex angle = 360 - 192.5 degree = 222.5 degrees.
Match the characteristics with their market structure:
(a) Difficult entry (often due to economies of scale)(b) Can sell as much as it can at market price