What is the nature of the oxide SO2? What happens when it is dissolved in water? Write the chemical equation of the reaction involved.
Which of the following alloys contains a non-metal as one of the constituents?
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
Question Papers For All Subjects
- English - Communicative 2010 to 2019
- English - Language and Literature 2010 to 2019
- Mathematics 2010 to 2019
- Science 2009 to 2019
- Social Science 2010 to 2019
- Information and Communication Technology 2016 to 2019