Compounds - Page 12
Questions
- Is CaO an alkali or a base?
- Which compound is both paramagnetic and colored.?
- A greenish blue solid A is heated. It gives off a colourless gas B and leaves a black solid C (i) Name the Compound A? (ii) Name the compound C?
- How do I match these chemistry terms?
- Is ammonia an element or compound ? and why it is element or compound?
- Is Helium a element or pure substance or compound?
- What are alkali and alkaline earth metals? Please explain why we call them so.
- The reaction between a liquid substance 'M' and sodium trioxocarbonate (IV) gives a gas which turns limewater milky. Therefore 'M' is? (a) H2SO4 (b) Na2SO4 (c) KL (d) NaOH
- What is the blank?Elements are _____________ that cannot be broken down into other substances.