Short Response Question

(1) Can you write the formula of the carbon dioxide gas that we exhale.
(ii) Define the element, compound and mixture.
(iii) Differentiate between compound and mixture.
(iv) Differentiate between concentrated and dilute solution.
3. Define the term allotropes. Explain the allotropes of carbon.
4. What is the difference between Homogeneous and Heterogeneous solutions?
5. Differentiate between colloids, suspensions and solutions?
6. If there are 18 protons in the Argon atom, then what is the atomic number of Argon?
7. Describe state of matter with example.
8. Differentiate between the following
(a) Colloids and Suspensions
(b) Elements and Compounds
(c) Concentrated and Dilute solutions
9. Examine the concept of solubility.
10. Why is a solution considered mixture?
11. How will you test weather given solution is colloid or a solution?
1. Why does pouring juice from a carton seems effortless compared to pushing a block of cheese across the table?
2. Why do these liquids flow differently?
3. What makes exotic states different from fundamentals states of matter?
4. The display on your phone or laptop utilizes a special type of matter called a "liquid crystal". How does this state differ from a typical liquid, and what unique properties does it possess?
5. Where might you encounter plasma outside of a laboratory, and what are some key features that distinguish it from the other states?
6. How is a mixture of Sulphur and iron (in powder form) different from their compound-iron sulphide (it is formed by heating iron and Sulphur together)?
7. Sugar dissolves in water to form a clear liquid, while orange juice appears cloudy.
8. What type of mixture is each? Explain the key difference between them based on particle size and distribution.
9. Fog and smoke appear hazy compared to clean air. How would you classify these mixtures based on their dispersed particles? What makes them different from clean air?
10. After a while, sand in a glass of water settle to the bottom, while milk remains uniformly mixed. What type of mixture is each? Why the suspended particles in sand water behave differently from those in milk.
11. Why more cocoa powder dissolve in hot milk compared to cold milk? How temperature affects the solubility of a solute in a solvent?
12. How does the arrangement of atoms differ between allotropes of carbon?
13. Can allotropy occur in other elements beside carbon?
14. State which of the substances listed below are:
a. Metallic elements
b. non-metallic elements
c. compounds
d. mixtures
silicon, sea water, calcium, argon, water, air, carbon monoxide, iron, sodium chloride, diamond, brass, copper, dilute sulphuric acid, sulphur, oil, nitrogen, ammonia.
1. Differentiate between elements, compounds, and mixtures.
2. Explain allotropes and their significance.
3. Differentiate between solutions, colloids, and suspensions as types of mixtures and provide examples of each.
4. Explain how temperature affects the solubility of a solid state in a liquid solvent.
5. You are tasked with designing a separation process for a mixture containing sand, salt and oil. Explain the steps involved in separating each component based on their physical properties and justify your chosen methods.
6. Write a detailed ote on: Plasma, Bose-Einstein condensate.