substances, elements, solution, mixtures, states of matter, solid, liquid, gases
1. How do pure substances and mixtures compare?
2.How can matter be classified?
3. How is matter classified?
4. How can mixtures be separated?
- What is suspension?
- How do we separate mixtures? Name 10 methods of separating mixtures.
- Define Mixture. Give 2 examples.
- Define immiscible liquids.
- Define miscible liquids.
- Define distillation.
- Give two examples of: a) Liquid+ Liquid mixture b) Solid + Solid mixture c) solid + liquid mixture
- Give 4 examples of non metallic elements
- Define Metalloids. Give 2 examples.
- Define elements. Give 2 examples
- Write the difference between : a) homogenous mixtures and heterogeneous mixtures b) Solution and Alloy c) Suspension and Emulsion
- What are emulsion paints? How are they formed?
- What is sublimation? Explain with diagram.
- What is distillation? Explain with diagram.
- How is fractional distillation different from gravity separation?
- How are element and compounds different from each other?
- What is a mixture?
- Write the differences between elements, compounds and mixture.
- Why sugar solution in water is called a mixture?
- A beverage company wants to ensure that every bottle of soft drink that comes out of bottling plant tastes same. Can you suggest a method which can help them do that? Also give reasons for the process you have suggested.
- There is milk kept in 3 different beakers. Bojoho wants to know which is pure and hos not been adulterated. How will he test it?
- Why do we use the process of fractional distillation to separate petroleum products? Why gravity separation cannot be used here?
- In what category will you classify emulsion paints into elements, compounds or mixtures? Give reasons.
- Naphthalene balls: Dry ice :: Sugar solution : salt solution
Find the analogy or relationship between the two.