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3001.A chips wrapper is 4.5 cm long and 5.9 cm wide. Its area upto significant figures will be?
3002.Ten identical steel balls, each with a mass of 27 g, are immersed in a measuring cylinder initially containing a certain volume of water. The water level rises by 50 cm³ after immersing the balls. What is the density of the steel?
3003.Which compound is known as lunar caustic?
3004.Which one of the following act as oxidizing agent?