📘 Structure of Atom📚 Isobar

Q1

The atoms of difference elements with different atomic numbers and that have the same mass number are called:

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📘 Acids, Bases and Salts📚 pH Scale

Q2

What is the pH value of a neutral solution?

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📘 Electron Configuration📚 Valency

Q3

The valency of which of the following elements is 2?

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📘 Periodic Table📚 Modern Periodic Table

Q4

How many elements are given in the modern periodic table?

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📘 Classification of Elements in Modern Periodic Table📚 Periods and Groups

Q5

Which of the following elements does not belong to the halogen group of the periodic table?

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📘 Important Chemical Compounds📚 Misc

Q6

Which of the following is also known as "White Vitriol".

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📘 Important Chemical Compounds📚 Quick lime

Q7

is also known as quick lime.

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📘 Classification of Elements in Modern Periodic Table📚 Periods and Groups

Q8

Which of the following is not an example of halogen?

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Chemistry - MOST IMPORTANT DSSSB PGT Previous Year Questions