When ice melts completely, level of liquid in which ice is submerged
Column-i Coluumn-ii
i.
p. Increases
ii.
q. Decreases
iii.
r. Remains same
iv.
Density of oil is greater than density of ice Density of oil is less than densiry of water
s. May increases or decreases
Now match the given colurnns and select the correct option from the codes given below.
Codes

Moderate

Solution

(i) Water formed due to melting of ice will replace same amount of water in container, hence level remains same.
(ii) In floating condition, steel will replace more water than in sink condition.
(iii) wood will float in both cases, hence level remains same.
(iv) Let mass of ice = m, and volume of oil replaced by ice is $V_{i}$ , then
$V_{i} ρ_{o} g = mg \Rightarrow V_{i} = \frac{m}{ρ_{0}}$
When ice melts, the whole water will sink in the oil. Volume of oil replaced = volume of water = $V_{f} = \frac{m}{ρ_{w}}$ $\Rightarrow V_{f} < V_{i},$ so finally less volume of oil is replaced hence level decreases.

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	Column-i		Coluumn-ii
i.		p.	Increases
ii.		q.	Decreases
iii.		r.	Remains same
iv.	Density of oil is greater than density of ice Density of oil is less than densiry of water	s.	May increases or decreases