Question Bank

What is the oxidation state of sulfur in H2SO4?

Which of the following is not a property of bases?

What is the chemical name for the mineral in bone?

In the reaction H2O + H2O <-> H3O+ + OH-, this process is called:

Which acid is used to preserve pickles?

What is the color of phenolphthalein at pH 12?

The formula of Oleum is:

What is the pH of a 0.05 M H2SO4 solution? (Assume complete dissociation)

Which salt is commonly used as a drying agent?

Which element has the chemical symbol 'K'?

What is the atomic number of Carbon?

Which of the following is a noble gas?

The only metal that remains liquid at room temperature is:

What is the chemical symbol for Silver?

Which element is the most abundant in the Earth's atmosphere by volume?

How many protons are there in an atom of Magnesium?

Which of these is a non-metal element?

The horizontal rows in the periodic table are called:

What is the symbol of Iron?

Which element is used in the filament of an electric bulb?