Super Science & Technology

`SOME IMPORTANT QUESTIONS`
*Part 1 Chemistry*

*🔹Chapter #1 ☟︎︎︎*
*✓ Short Questions*
1- Define Chemistry and Branches of chemistry.
2- Difference between Chemical properties and Physical properties.
3- Write down the name of any two elements which were discovered in early ages.
4- Difference between matter and mixture.
5- Define Symbol and valency with example.
Give the symbol of Arsenic and silver.
6- How does homogenous mixture differed from Heterogeneous.
7- Write the chemical formula of Ammonia and Sugar.
8- Calculate the molecular mass of Nitric Acid.
9- Define Free Radical with two example.
10- Write difference between Homoatomic and Heteroatomic molecules.
11- Difference between Triatomic molecule and polyatomic molecule.
12- Soft drink is mixture while water is compounds. Give the reason.
13- Define Atomic mass unit.
14- Difference between Cation and Anion.
15- Difference between ion and free radical.
16- Define Avogadro’s number.

*✓ Long Questions*
1- Explain the important Branches of Chemistry.
2- Difference between molecule and molecular ion.
3- Explain types of molecules in detail and give examples.
4- Write five difference between compound and mixture.

*🔹Chapter #2 ☟︎︎︎*
*✓ Short Questions*
1- When and who discovered proton and neutron.
2- What is the nature of charge on cathode rays?
3- What are canal rays?
4- Write two properties of Neutron particles.
5- What is meant by Quantum?
6- Difference between shall and sub shall.
7- Define Isotopes. Name the isotopes of Hydrogen.
8- How U-235 used for power generation?
9- Define Carbonating.
10- A patient has goiter. How it is diagnosis?
11- Explain the treatment of cancer by radiotherapy.
12- Five character of cathode rays.
13- Write down defect of Rutherford’s model.
14- What is the maximum capacity of metal?
15- Define Isotopes. Give two example.

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