Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
The refreshing characteristic taste of fizzy drinks is due ot the presence of
Carbon(IV)oxide
Glucose
Hydrogen
Sodium Citrate
Correct answer is A
No explanation has been provided for this answer.
Esterification
Hydrolysis
Neutralization
Redox
Correct answer is C
No explanation has been provided for this answer.
When NH4Cl(s) is dissolved in water, the container feels cold to touch. This implies
The process is endothermic
The process is exothermic
NH4Cl forms a saturated solution
NH4Cl is highly soluble in water
Correct answer is A
No explanation has been provided for this answer.
An aqueous solution of (NH4)2 SO4 is
Acidic
Alkaline
Amphoteric
Neutral
Correct answer is A
Ammonium sulphate is an ACIDIC SALT. This is because it is formed when sulphuric acid reacts with ammonia. Since, sulphuric acid is a strong acid and ammonia is a weak base, so it gets acidic in nature.
The energy which accompanies the addition of an electron to an isolated gaseous atom is
Atomization
Electronegativity
Electron affinity
Ionization
Correct answer is C
No explanation has been provided for this answer.
Propane carbon(IV)oxide diffuse at the same rate because [H = 1.00, C = 12.0, O = 16.0]
They are both gases
Their molecules contain carbon
They have the same relative molecular mass
Both are denser than air
Correct answer is C
No explanation has been provided for this answer.
The spreading of the scent of a flower in a garden is an example of_____?
Brownian motion
Diffusion
Osmosis
Tynadal effect
Correct answer is B
No explanation has been provided for this answer.
The general gas equation \(\frac{PV}{T}\) = K is a combination of
Boyle's and Charles' laws
Boyle's and Graham's laws
Charles' and Graham's laws
Dalton's and Graham's laws
Correct answer is A
No explanation has been provided for this answer.
Which of the following apparatus can be used to measure a specific volume of a liquid accurately?
Beaker
Conical flask
Measuring cyclinder
Pipette
Correct answer is D
No explanation has been provided for this answer.
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