List of practice Questions

The formula of the nitrate of a metal is \( M(NO_3)_2 \). What will be the formula of its phosphate?
What is the molar mass of the carbonate ion \( CO_3^{2-} \)?
How many valence electrons are there in the outer shell of Cl\(^{-}\)?
What is the oxidation state of sulfur in H\(_2\)SO\(_4\)?
What is the scientific name of the person who made the periodic table?
What is formed when chlorine gas is passed through slaked lime?
What is the IUPAC name of isopropyl alcohol?
What is the method to remove temporary hardness of water?
Which of the following metals is present in chlorophyll?

What is the IUPAC name of the following compound ?

Which of the following is an alcohol?
Which of the following reactions is suitable for converting an acid amide to an imidazole?
Which of the following is a chemical transformation?
Find the arithmetic mean of the following numbers: 46, 65, 86, 41, 56, 77, 35, 91, 54, 94, 30
Find the mode of the following numbers: 57, 17, 26, 90, 0, 83, 80, 26, 57, 115, 26
Find the harmonic mean of the following numbers: 5, 10, 15
The number of valence electrons in Chromium (atomic number 24) is:
The atomic number describes which of the following:
In the modern periodic table, the elements are arranged in:
Which of the following salts has the highest pH in water?
The next term in the sequence \(2, 6, 18, 54, \ldots \) will be:
If \( 10^x = 1 \), then the value of \( x \) will be:
If the numbers 10, 8, 5, 7, \( x \), and 4 have an arithmetic mean of 8, then the value of \( x \) will be:
The mean of the numbers 7, 8, 10, 16, 13, and 11 is:
If \( \sin \theta_1 + \sin \theta_2 + \sin \theta_3 = 3 \), then what is the value of \( \cos \theta_1 + \cos \theta_2 + \cos \theta_3 \)?