Addition of electron to a substance is called.
Addition of electron to a substance is called:
Neutralization | |
Reduction | |
Ionization | |
Oxidation |
All Question of 9th Class
9th Class
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Whose reduction is occuring in the following re...
Whose reduction is occuring in the following reaction:
2ZnO + C ? 2Zn + CO2
C | |
Cu | |
Zn,C | |
Zn |
Tyndall effect is due to beam of light
Tyndall effect is due to beam of light
Passing | |
Stops | |
Scattering | |
Non scattering |
Milk of magnesia is an example of
Milk of magnesia is an example of
True solution | |
Colloid | |
Suspension | |
Solution |
Which one is an example of suspension?
Which one is an example of suspension?
Milk of magnesia | |
Soap solution | |
Starch solution | |
Albumin solution |
Paints and ether are mixable because.
Paints and ether are mixable because:
Paints are polar but either is non-polar | |
Both are non-polar | |
Both have different chemical naturec | |
Both are polar |
The Solubility of which one decrease by increas...
The Solubility of which one decrease by increasing temperature?
KNO3 | |
Ca(OH)2 | |
NaCl | |
AgNO3 |
Which will show negligible effect to temperatur...
Which will show negligible effect to temperature on its solubility?
KNO3 | |
NaNO3 | |
NaCl | |
KCl |
The compound not soluble in water is.
The compound not soluble in water is:
C6H6 | |
NaCl | |
MgCl2 | |
KBr |
No of moles in 6.0 g water is.
No of moles in 6.0 g water is:
0.65 | |
0.5 | |
0.25 | |
0.33 |
If 100cm3 of alcohol is dissolved in water and ...
If 100cm3 of alcohol is dissolved in water and make 100 g solution it is called:
%v/v | |
%v/m | |
%m/v | |
%m/m |
The amount of solute dissolved in 100cm3 of the...
The amount of solute dissolved in 100cm3 of the solution is called:
Solubility | |
Percentage / Mass / Volume | |
Percentage / volume / mass | |
Percentage / mass / mass |
1 ml is equal to.
1 ml is equal to:
3 cm3 | |
4 cm3 | |
1 cm3 | |
2 cm3 |
Which solution contain more water?
Which solution contain more water?
2 M | |
1 M | |
0.25 M | |
0.5 M |
How much glucose is required to prepare one dm3...
How much glucose is required to prepare one dm3 of a 20% solution.
180 g | |
200 g | |
36 g | |
18 g |
Molarity is the number of moles of solute dis...
Molarity is the number of moles of solute dissolved in:
1 dm3 of solution | |
1 kg of solution | |
100 gm of solvent | |
1 dm3 of solvent |
The types of solutions are.
The types of solutions are:
8 | |
9 | |
10 | |
7 |
Example of solution in liquid in gas is.
Example of solution in liquid in gas is:
Fog | |
Water gas | |
Air | |
Cold Drink |
Fog is example of which solution?
Fog is example of which solution?
Gas in Liquid | |
Liquid in Solid | |
Liquid in Gas | |
Solid in Gas |
Which one of these is solution of solid liquid.
Which one of these is solution of solid liquid:
Alcohol in water | |
Butter | |
Fog | |
Sugar in water |