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.