Solution:
Ratio of C atoms to H atoms is 5:10 = 1:2Empirical formula is C 1 H..
Solution:
Time taken = 5 seconds Final velocity (v) = 0 (at maximum height velocity will be equal to zero) v = u + gt 0 = u - 9.8 x 5 0 = u - 49.0 u = 49 m/s Initial velocity = 49 m..
Time taken = 5 seconds Final velocity (v) = 0 (at maximum height velocity will be equal to zero) v = u + gt 0 = u - 9.8 x 5 0 = u - 49.0 u = 49 m/s Initial velocity = 49 m..Solution:
In the first compound hydrogen = 5.93% Oxygen = (100 -5.93) = 94.07% In the second compound hydrogen = 11.2% Oxygen = (100 -11.2) = 88.88% Ratio of the masses of oxygen that combine with fixed mass of hydrogen 15.86: 7.9 or 2:1 The ratio illustrates the law of multiple prop..
In the first compound hydrogen = 5.93% Oxygen = (100 -5.93) = 94.07% In the second compound hydrogen = 11.2% Oxygen = (100 -11.2) = 88.88% Ratio of the masses of oxygen that combine with fixed mass of hydrogen 15.86: 7.9 or 2:1 The ratio illustrates the law of multiple prop..Solution:
The acceleration produced in any body due to the gravitational pull of the Earth does not depend on the mass of the body. So the acceleration produced in the 3 kg mass will also be 5 m/s 2 . 02. Calculate the height of a bridge if a stone dropped from it takes six seconds to touch the su..
Solution:
Mass of the toy car (m) = 150 g Velocity (v) = 5 m/s Momentum (p) = mv Momentum = 0.75 kg ..
Mass of the toy car (m) = 150 g Velocity (v) = 5 m/s Momentum (p) = mv Momentum = 0.75 kg ..Solution:
Force (F) = 225 N Acceleration (a) = 2.5 m/s 2 Force (F) = ma Mass of the body = 90..
Force (F) = 225 N Acceleration (a) = 2.5 m/s 2 Force (F) = ma Mass of the body = 90..Solution:
W = F x S Force acting on the object is given by F = mg [Newton's second law of motion] Mass of the object (m) = 5 kg Distance moved = 2m Therefore, Work done = F x S = 98 J 02. How much work is done, when a force of 25 N displaces an object through 10 m, in the direction of th..
W = F x S Force acting on the object is given by F = mg [Newton's second law of motion] Mass of the object (m) = 5 kg Distance moved = 2m Therefore, Work done = F x S = 98 J 02. How much work is done, when a force of 25 N displaces an object through 10 m, in the direction of th..Solubility of a Solute
Solubility is defined as the number of grams of a solute that dissolves in 100g of a solvent to form a saturated solution at a given temperature and pressure. Solubility is the maximum weight of a solute that can be dissolved in 100g of a solvent at a given temperature..
Solubility is defined as the number of grams of a solute that dissolves in 100g of a solvent to form a saturated solution at a given temperature and pressure. Solubility is the maximum weight of a solute that can be dissolved in 100g of a solvent at a given temperature..
Action of Saliva on Starch
Rinse your mouth 2 to 3 times to remove any food particles and collect saliva in three test tubes labelled A, B and C. To A and B each add half the quantity of 2% starch solution. To C add boiled saliva. Leave them for 5 minutes. At the end of five minut..
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