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Question 1
What is the chemical name of common salt or table salt that is used in day to day life?
Question 2
What is the molecular formula of the gas which was released during Bhopal Gas Tragedy?
Question 3
A liquid is said to be boiled when its ___________.
Question 4
Which of the following are the main components of cement?
Question 5
Which of the following combination of calcium is present in human teeth and bones?
Question 6
Which of the following is a characteristic property of ammonia?
Question 7
Which of the following have different constituent from the other three?
Question 8
Which of the following alkaloid is found naturally in coffee, cocoa and cola nut?
Question 9
Which of the following is an example of a secondary pollutant?
Question 10
In a period from Li to F, the number of valence electrons usually ________.
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Dec 9SSC & Railway