A solution reacts with crushed egg shells to give a gas that turns lime water milky. The solution contains
A) NaCZ
B) HCZ
C) LiCZ
D) KCZ
1 Answers
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An insulated wire is wound so that it forms a flat coil with N=100 turns. The radius of the innermost turns is `R_(1)=4 cm` . What magnetic moment wil
Correct Answer - `m=(1)/(3)piNI(R_(1)^(2)+R_(1)R_(2)+R_(2)^(2))=2.2 xx 10^(-3)A m^(2)`
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A tangent galvanometer has two circular coils having turns in the ratio 1:10 . When the coil with smaller number of turns is used,a current of 0.5A pr
Correct Answer - 0.05 A
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(a) Find the capacitance of spherical capacitor having concentric shells of radii a `a` and `b (bgta)`. The space between the shells is completely fil
Correct Answer - `C=4piepsilon_(0)k((ab)/(b-a))`; (b) ` (k abc)/(ka(b-c)+b(c-a))`
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175 litres of a solution contains `88%` of acid and the rest water. How many liters of water must be added such that the resulting mixture contains `2
Correct Answer - 25 litres
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Lime water turns into milky white due to the formation of
Correct option is C) only iii
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Statement I : When carbon dioxide passes through lime water it will turn into milky. Statement II : When excess of carbon dioxide
A) Both statements are true
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When air is blown from mouth into a test tube containing lime water, the lime water turned milky.
(D) Carbon dioxide
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If you keep an egg in the salt water , the egg will be contracted. The reason is
A) exo osmosis
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Solution X contains 50 g of salt in 100g of water and solution Y contains 100g of salt in 200g of water.
A) Solution X has the same concentration as solution Y.
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Quick lime reacts vigorously with water releasing a large amount of heat. Which type of reaction is this ?
Correct option is C) 2, 4
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