quiz 1123 – science (QA)

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1	Which chemical element is represented by the symbol 'Rn'?
2	What was the name of the first American space station, which fell to Earth in 1979?
3	Which is the hottest planet in our solar system?
4	Which two letters in the English alphabet do not to appear at the beginning of names of elements in the Periodic Table?
5	Toxic substance Cantharidin is commonly known by what name?
6	What is the hardest substance known to man?
7	The term 'Googol' is written in number form as number 1 followed by how many zeros?
8	Which scientist discovered the radioactive element Radium in 1898?
9	What is the modern international unit of energy measured in?
10	Which element makes iron rust?
11	In 1907 Belgian-born chemist Leo Baekeland created which type of plastic?
12	Which type of lens is thicker at the centre than at the edge, as used in microscopes?
13	All matter in the Universe was said to be created by the 'Big....what' nearly 14 billion years ago?
14	Relating to mobile phones, what is the area covered by a base station (or aerial) called?
15	In computing, what does HTML stand for?
16	Which three elements in the Periodic Table are magnetic?
17	The Ishihara Test is used for testing for what in humans?
18	Which four letters of the English alphabet are used in the Genetic Code?
19	The alloy steel is mainly composed of which two chemical elements?
20	What is the science that deals with the origin, nature, chemistry, effects and use of drugs?