What is the mass of one mole of water molecules? Is the mass of water molecules equal to molecular mass of water?
Chemistry - Fundamentals of Chemistry - What is the mass of one mole of water molecules? Is the mass of water molecules equal to molecular mass of water?
Molecular formulas for water and carbon dioxide are H2O and CO2 respectively. What are empirical formulas for these compounds?
Chemistry - Fundamentals of Chemistry - Molecular formulas for water and carbon dioxide are H2O and CO2 respectively. What are empirical formulas for these compounds?
Ammonia is a colorless gas with pungent irritating odor. It is highly soluble in water. Identify the branch of chemistry that tells us about such properties.
Chemistry - Fundamentals of Chemistry - Ammonia is a colorless gas with pungent irritating odor. It is highly soluble in water. Identify the branch of chemistry that tells us about such properties.
Photosynthesis produces glucose and oxygen from carbon dioxide and water in presence of chlorophyll and sunlight. Identify the branch of chemistry in this case
Chemistry - Fundamentals of Chemistry - Photosynthesis produces glucose and oxygen from carbon dioxide and water in presence of chlorophyll and sunlight. Identify the branch of chemistry in this case
Find the temperature of the water after passing 5 g of steam
Class 9 FBISE Physics - Thermal properties of matter - Find the temperature of the water after passing 5 g of steam
How much heat is required to change 100g of water at 100°C into steam
Class 9 FBISE Physics - Thermal properties of matter - How much heat is required to change 100g of water at 100°C into steam
Why does a glass of chilled (frozen) water become hot after some time?
Class 9 FBISE Physics - Transfer of Heat - Why does a glass of chilled (frozen) water become hot after some time?
Define the latent heat of vaporization of water with the help of the experiment.
Class 9 FBISE Physics - Thermal properties of matter - Define the latent heat of vaporization of water with the help of the experiment.
Describe an activity to determine the change of state of ice into water and steam
Class 9 FBISE Physics - Thermal properties of matter - Describe an activity to determine the change of state of ice into water and steam
Describe the Importance of large specific heat capacity of water
Class 9 FBISE Physics - Thermal properties of matter - Describe the Importance of large specific heat capacity of water
Why does a piece of the stone sink in water but a ship with huge weight floats
Class 9 FBISE Physics - Properties of matter - Why does a piece of the stone sink in water but a ship with huge weight floats
Why water is not suitable to be used as the barometer
Class 9 FBISE Physics - Properties of matter - Why water is not suitable to be used as the barometer
Explain how a submarine moves up the water surface down into the water.
Class 9 FBISE Physics - Properties of matter - Explain how a submarine moves up the water surface down into the water.
Explain how wooden blocks, ships, and boats move up the water surface.
Class 9 FBISE Physics - Properties of matter - Explain how wooden blocks, ships, and boats move up the water surface.
Calculate the density of 5 liters of water?
Class 9 FBISE Physics - Properties of matter - Calculate the density of 5 liters of water?
An electric motor of 1hp is used to run the water pump.
Class 9 FBISE Physics - Work and energy - An electric motor of 1hp is used to run the water pump.
How energy is obtained from water?
Class 9 FBISE Physics - Work and energy - How energy is obtained from water?
Indicate the hurdles in protecting water, soil, vegetation and wildlife.
Class 09 FBISE Pakistan Studies - land and environment - Indicate the hurdles in protecting water soil vegetation and wildlife
Women and children in the villages often carry pitchers with water on their heads how this is possible?
Class 9 FBISE Physics - Turning effect of forces - Women and children in the villages often carry pitchers with water on their heads how this is possible?
How can we measure the volume of small irregular shape objects which floats (a piece of cork) on the water by using a measuring cylinder?
Class 9 FBISE Physics - Physical Quantities and Measurement - How can we measure the volume of small irregular shape objects which floats (a piece of cork) on the water by using a measuring cylinder?
State the function of blood plasma. How the materials present in the water of plasma can be divided into six categories?
Class 9 FBISE Biology - Transport - State the function of blood plasma. How the materials present in the water of plasma can be divided into six categories?
Explain the movement of water in terms of transpirational pull?
Class 9 FBISE Biology - Transport - Explain the movement of water in terms of transpirational pull?
Describe the relationship between the concentration of solute and water potential?
Class 9 FBISE Biology - Transport - Describe the relationship between the concentration of solute and water potential?
How would you relate the internal structure of the root with the uptake of water and salts?
Class 9 FBISE Biology - Transport - How would you relate the internal structure of the root with the uptake of water and salts?
Why Water is vital to plant life?
Class 9 FBISE Biology - Transport - Why Water is vital to plant life?
Why are water and dietary fibers considered important in our diets?
Why are water and dietary fibers considered important in our diets?
What structures and phenomena are involved in the intake of carbon dioxide and water by plants?
Class 9 FBISE Biology - Bioenergetics - What structures and phenomena are involved in the intake of carbon dioxide and water by plants?
How in non-vascular plants do water and salts reach the mesophyll cells of leaves?
Class 9 FBISE Biology - Bioenergetics - How in non-vascular plants do water and salts reach the mesophyll cells of leaves?
What structure and phenomena are involved in the intake and transport of carbon dioxide and water by plants?
Class 9 FBISE Biology - Bioenergetics - What structure and phenomena are involved in the intake and transport of carbon dioxide and water by plants?
Explain what would happen when a plant and an animal cell are placed in a hypertonic solution. OR State water balance problems in animal and plant cells?
Class 9 FBISE Biology - Cells and Tissues - Explain what would happen when a plant and an animal cell are placed in a hypertonic solution. OR State water balance problems in animal and plant cells?