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Topic cover in khan sir chemistry pdf
- easy to read
- concept clear and crystal
- easy to download
- Material
- Atomic Structure
- Atomic Number
- Core Electron
- Chemical Bonding
- Element
- Mole Concept
- Acid
- Salt
- Acid, Base, And Salt
- Radio Activity
- Chemical Reaction
- Water
- Oxidation
- Reduction
- Organic Chemistry
- Periodic Table
- Industrial Chemistry
- Organic Compound
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Top 10 Question In Chemistry PYQ For SSC
1.Which metal is in liquid form at room temperature.
(1) Mercury
(2) CU
(3) ZN
(4) Iron
2.What is the common name for H2SO4.
(1) Sulfuric Acid
(2) Nitro Acid
(3) Acetic Acid
(4) N.O.T
3.Which element exits room temperature in liquid state.
(1) HG
(2) BR
(3) H2O
(4) NA
4.What is the formula for sodium hydroxide.
(1) Sodium Chloride
(2) Sodium Oxide
(3) Na2SO4
(4) NaNO2
5.Which acid is in vinegar.
(1) H2SO4
(2) Sulfuric Acid
(3) Nitric Acid
(4) Acetic Acid
6.Which scale is used to measure acidic nature.
(1) Water Scale
(2) Atomic Scale
(3) Solubility Scale
(4) P.H Scale
7.Which type of bond in chemical bonding takes place electron transfer between atoms.
(1) Covalent Bond
(2) Hydrogen Bound
(3) Metallic Bond
(4) Ionic Bound
8.On what basis are the elements arranged in the periodic table.
(1) Atomic Mass
(2) Atomic Number
(3) Atom
(4) Electron Configuration
9.At what pressure is the boiling point of water 100°C.
(1) 10 atm
(2) 3 atm
(3) 0.5 atm
(4) 1 atm
10.How is hydrogen gas identified.
(1) Red Litmus Paper Turns Blue
(2) It Burns with a Pop Sound
(3) It Burns with a Green Flame
(4) IT Reacts with Vapor