Cold blooded animals and warm blooded animals

Those animals whose body temperature changes according to the temperature of the surroundings are called cold blooded animals. Fishes,amphibians and reptiles are cold blooded animals Those animals whose body temperature remain constant and does not change according to the temperature of the surroundings are called warm blooded animals. Birds and mammals are warm blooded animals.

Noble gas

The elements of group O of the periodic table are collectively called noble gases or inert gases. The group O include the elements helium, neon, argon, krypton, xenon and radon. except radon all the noble gases occurs in the atmosphere in very small quantity as monoatomic molecules. They occupies about 1% by volume of air.

What is catalyst?

A catalyst is a chemical substance which increases or decreases the rate of chemical reaction out itself remaining chemically unchanged . There are two types of catalyst,they are: i) positive catalyst: A catalyst which increases the rate of chemical reaction is called a positive catalyst. For eg. manganese dioxide (MnO2), Iron powder(Fe) ii) Negative catalyst:Continue reading “What is catalyst?”

Empty space are kept in medical tablets, why?

1)Tese empty space prevent medicines from breaking down and also from external sock and vibration 2)Empty space are used to print the information including manufacture and expiry date. 3)For packets consisting of only one pill,these empty space is also maintained to increase the print area 4)When medicines are taken from place to place, they areContinue reading “Empty space are kept in medical tablets, why?”

Success, a peak point.

Who are the people who don’t want to be successful? Running away from the pursuit of success can reduce a man’s half-life, and continue his journey. Some cool shade can be found while battling difficulties during travel. After a few minutes i.n the shade, the person reaches its destination, but the person who spreads itContinue reading “Success, a peak point.”

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