ICSE Worksheet for Chapter - 3 Elements, Compounds, Mixtures Class 8
Worksheets For class 8
- This page is prepared by the Academic team of Physics Wallah which consists of ICSC Worksheet for Class 8 Chemistry. Students of Class 8 Chemistry can get a free Worksheet for Class 8 Chemistry in PDF format prepared as per the newest syllabus and examination pattern in your schools.
- Before solving the Worksheet for class 8 one must read the textbook of your school board exam and try to read the notes given in Physics Wallah class 8 notes sections. Students can also download free pdf of Class 8 Chemistry Notes prepared by teachers and solve important problems provided here with solutions on daily basis to get more scores in school exams and tests. Physics Wallah worksheets for class 8 ICSE can help students practice with tests and quickly revise lessons learned in the classroom with essential resources such as video lessons, short notes, and sample papers.
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- Classification of matters.
- Elements – metals and non-metals.
- Compounds – (its comparative study with element), its characteristics.
- Mixtures – Homogeneous and heterogeneous.
- Separation of the mixture.
- Solid + Solid
- Magnetic separation
- Solvent extraction
- Solid + Liquid
- Liquid + Liquid
- Separating funnel
- Fractional distillation
- Q1. What are metalloids? Name a few metalloids with their symbols.
- Q2. Classify the following as elements, mixtures and compounds :
- Sugar, marble, distilled water, paint, tap water, alcohol, bread, brass, nitre, washing soda, soap, air, mercury, wax, rust, seawater.
Q3. Complete the following sentences with appropriate terms such as Evaporation, filtration, distillation, fractional distillation, sublimation, methylated spirit, immiscible, separating funnel.
- Ammonium chloride is separated from a mixture of sodium chloride and ammonium chloride by the process of _______________.
- When sodium hydroxide is added to ferric chloride solution, a reddish brown precipitate is formed. The precipitate is separated from the mixture by the process of ________________.
- Benzene and water can be separated by _______________
- Pure iodine can be obtained by the process of __________________
- Greasy spots can be removed from clothes by __________________
Q4. Name three different methods in each case for the separation of :
- Solid-solid mixtures
- Solid-liquid mixtures
- Liquid-liquid mixtures
- Give one example in each case
Q5. Give examples of the following types of mixture and state whether they are homogeneous or heterogeneous :
- Two solids
- A solid in liquid
- Liquid in gas
Q6. Give reasons for the following assertions.
- Ammonia is a compound
- Air is a mixture, not a compound
- Tap water is a mixture, not a compound
Q7. Explain the differences with relevant examples –
- Elements and compounds
- Compounds and mixtures.
- Q8. How do you understand by atomicity of elements? Explain giving examples.
- Q9. State four differences between metals and non-metals along with the exceptions.
- Q10. Explain metalloids with examples.
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