Q. What are the number of atoms of chlorine in 250.5 grams of Cl₂O₆?

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Q. What are the number of moles of Hydrogen in 158 grams of Ammonium Bicarbonate?

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Q. What are the number of moles of nitrogen in 274 grams of (NH₄)₂Ce(NO₃)₆?

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Q. What are the number of moles of hydrogen in NH₄[Cr(SCN)₄(NH₃)₂] if the weight of nitrogen in it is 49 grams?

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Q. What are the number of molecules of water in CuSO₄.5H₂O, if the weight of oxygen in it is 36 grams?

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Q. Which of the following is not a unit of density?

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Q. What is the density of a substance of mass 10 grams and volume 5 liters?

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Q. A solid of density d is dropped in a liquid of density D, if d>D then,

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Q. A liquid of mass 10 kg is enclosed in a cylinder of radius 1 m and length 5 m, what is the density of liquid?

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Q. What is the density of a liquid of mass 20 kg, enclosed in a cuboid of surface areas of three sides as 1 m², 2 m², 5 m², and one of its sides is 2 m?

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Q. What is the density of a liquid of mass 10 kg and contained in a cylinder of radius 5 m and surface area (excluding top and bottom) of 10π m²?

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Q. What is the mass of a liquid having density 20 kg/m³, enclosed in a sphere of radius 1 m?

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Q. What is the mass of a cube having surface area 24 m², and density 1 kg/m³?

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Q. An empty vessel has with mass 5 kg with volume 0.1 m³, is now completely filled with a liquid of density 100 kg/m³, what is the final density of the cylinder?

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Q. A cylinder completely filled with water has density = 10 kg/m³ and volume 5 m³ , now a cube with side 1 m and density 25 kg/m³ is dipped into the cylinder with some water dropping out, what is the final density of cylinder?(neglect the mass of cylinder)

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Q. What is the unit of specific gravity?

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Q. What is the specific gravity of a substance with density 100 kg/m³ with respect to reference substance of density 100 lb/m³?

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Q. If is necessary to mention the temperature at which specific gravity is calculated, because

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Q. What is the specific gravity of a substance with mass 10 kg and volume 2 m³, with respect to the reference density 50 g/m³?

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Q. What is the mass of a cone of radius 1 m and height 3 m having specific gravity 0.1? (Density of water = 1000 kg/m³)

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