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The products of the electrolysis of dilute sodium chloride using carbon electrodes are
Anode Cathode
If 60 g of M combines with 24 g of oxygen, what would the empirical formula of the oxide be?
( molar mass of M = 120, O = 16)
Which of the following statements about the standard hydrogen electrode is not correct?
Alkanols can be manufactured from alkenes by the initial reaction of alkenes with
Which of the following compounds would react rapidly with bromine?
What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?
The following compounds are condensation polymers except
The cleansing effect of soap is low in acidic water because of
Which of the following sugars is a product of the condensation of monosaccharides?
The by-product of fermentation of sugar is
Hard water is water with high concentrations of dissolved ions, in particular calcium and
| GAS | CO\(_2\) | N\(_2\) |
O\(_2\) |
| % BY VOLUME | 4 | 72 | 24 |
The above table shows the compositions of the atmosphere of planet X. Which of these gases are present in higher percentages on earth?
What volume of (dm\(^3\)) of water will be added to 10dm\(^3\) of 2.0 mol/dm\(^3\) HCL acid solution to give a final solution of 0.5 mol/dm\(^3\)?
Alkanes are used mainly?
2-methylprop-1-ene is a structural isomer of?
How many bonding pair are present in carbon(iv)oxide?
In the extraction of iron, hot air is introduced into the blast furnace through?
Wrought iron is obtained by heating cast iron in a furnace with?
Electrons enter into orbitals in order of increasing energy as exemplified by?
H\(^+\) + OH\(^-\) → H\(_2\)O
The equation above illustrates