Chemistry 10th Class English Medium Online Test With Answers

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Chemistry 10th Class English Medium Online Test

Sr. # Questions Answers Choice
1 The product of any Lewis acid-base reaction is a single specie called: free radical adduct molecular ion conjugate
2 Which one is not a characteristic of an acid: it turns red litmus blue it reacts with base to form salt and water Its aqueous solution conduct electric current it has sour taste
3 All water soluble metallic oxides have characteristic of: acidic basic neutral amphoteric
4 Latin word 'Acidus' means: sweet salty sour bitter
5 Binary compounds of oxygen such as CO2 and SO2 were names as acids by; Jabir Bin Hayan Lavoisier Al- Jahiz Sir Humphrey Davy
6 The value of equilibrium constant (Kc) depends only on: temperature Pressure concentration density
7 When the number of moles of both sides are equal in a reaction then the unit of Kc will be: no unit mol-2 dm6 mol dm3 mo-2 dn
8 An equilibrium is achievable only in a: big system small system open system closed system
9 Active mass is expressed as: { } [ ] ( ) l l
10 Law of Mass Action was put forward by: G.N.Lewis Lowry Arrhenius Gulbderg and Waage
11 At dynamic equilibrium state: Rate of forward reaction≠ Rate of reverse reaction Rate of forward reaction > Rate of reverse reaction Rate of forward reaction = Rate of reverse reaction Rate of forward reaction < rate of reverse reaction
12 At equilibrium state, when reaction cases to proceed, it is called: equilibrium constant dynamic equilibrium static equilibrium simple equilibrium
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