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Question 1 reset
Which one of the following is not an element of Noble gases?
Question 2 reset
Mole is defined as the number of atoms found in __________ of carbon-12?
Question 3 reset
Which of the following is not a mixture?
Question 4 reset
All acids are __________
Question 5 reset
When an acid reacts with a metal carbonate, the products formed are __________
Question 6 reset
Which one is an alkaline among the following?
Question 7 reset
In Periodic table elements are arranged according to their __________
Question 8 reset
What is an Isotope?
Question 9 reset
Atomic number is represented by which letter?
Question 10 reset
Which science is sometimes called ‘central science’?

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