Percentage of Water and Solids in a Sample of Milk (Leaving Cert Agricultural Science): Flashcards

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Percentage of Water and Solids in a Sample of Milk
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Purpose of milk water/solids experiment

Calculate exact % of water & solids via evaporation

Equipment for precise mass measurement in milk expt

Electronic balance

Formula for % water in milk

Weight of waterWeight of milk×100\frac{\text{Weight of water}}{\text{Weight of milk}} \times 100

Formula for % solids in milk

Weight of solidsWeight of milk×100\frac{\text{Weight of solids}}{\text{Weight of milk}} \times 100

What must water % + solids % equal?

100%

Typical water % in cow's milk

87-88%

Typical solids % in cow's milk

12-13%

Components of milk solid fraction

Proteins, fats, lactose, minerals

Tool for handling hot equipment safely

Tongs

How to know water evaporation is complete?

No steam produced & material appears dry

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Capillarity & Infiltration Rate of Soil

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Percentage Water Content of Soil Sample

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Plant Uniformity of Certified and Uncertified Seed

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Botanical Composition

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Genetic Inheritance of Traits in Plants

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The Activity of Liver Enzyme Catalase

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The Presence of Lactose in Milk

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Percentage of Water and Solids in a Sample of Milk

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Bacterial Quality of a Sample of Milk

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Variation in Inheritable Characteristics

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Observation of Characteristics from Crossbreeding Animals

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Cation Exchange Capacity (CEC) of Soil

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The pH of Soil

The pH of Soil

Flocculation in Soil

Flocculation in Soil

The Activity of Earthworms in Soil

The Activity of Earthworms in Soil

Capillarity & Infiltration Rate of Soil

Capillarity & Infiltration Rate of Soil

Percentage Water Content of Soil Sample

Percentage Water Content of Soil Sample

Isolate & Grow Bacteria

Isolate & Grow Bacteria

The Conditions Necessary for Germination

The Conditions Necessary for Germination

Show That Light is Needed for Photosynthesis

Show That Light is Needed for Photosynthesis

Capillarity in a Plant Stem

Capillarity in a Plant Stem

Osmosis in a Potato Plant

Osmosis in a Potato Plant

Dry Matter in Silage

Dry Matter in Silage

Plant Uniformity of Certified and Uncertified Seed

Plant Uniformity of Certified and Uncertified Seed

Establishment for Grass vs Another Crop

Establishment for Grass vs Another Crop

Botanical Composition

Botanical Composition

The Effect of Nutrients

The Effect of Nutrients

Genetic Inheritance of Traits in Plants

Genetic Inheritance of Traits in Plants

The Activity of Liver Enzyme Catalase

The Activity of Liver Enzyme Catalase

The Presence of Lactose in Milk

The Presence of Lactose in Milk

Percentage of Water and Solids in a Sample of Milk

Percentage of Water and Solids in a Sample of Milk

Bacterial Quality of a Sample of Milk

Bacterial Quality of a Sample of Milk

Dissect a Sheep Heart

Dissect a Sheep Heart

Variation in Inheritable Characteristics

Variation in Inheritable Characteristics

Observation of Characteristics from Crossbreeding Animals

Observation of Characteristics from Crossbreeding Animals

Grow a Bacteria Culture

Grow a Bacteria Culture

Describe a Studied Farm

Describe a Studied Farm

Explore Leaving Cert Agricultural Science Quizzes by Topics

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Cation Exchange Capacity (CEC) of Soil

Cation Exchange Capacity (CEC) of Soil

The pH of Soil

The pH of Soil

Flocculation in Soil

Flocculation in Soil

The Activity of Earthworms in Soil

The Activity of Earthworms in Soil

Capillarity & Infiltration Rate of Soil

Capillarity & Infiltration Rate of Soil

Percentage Water Content of Soil Sample

Percentage Water Content of Soil Sample

Isolate & Grow Bacteria

Isolate & Grow Bacteria

The Conditions Necessary for Germination

The Conditions Necessary for Germination

Show That Light is Needed for Photosynthesis

Show That Light is Needed for Photosynthesis

Capillarity in a Plant Stem

Capillarity in a Plant Stem

Osmosis in a Potato Plant

Osmosis in a Potato Plant

Dry Matter in Silage

Dry Matter in Silage

Plant Uniformity of Certified and Uncertified Seed

Plant Uniformity of Certified and Uncertified Seed

Establishment for Grass vs Another Crop

Establishment for Grass vs Another Crop

Botanical Composition

Botanical Composition

The Effect of Nutrients

The Effect of Nutrients

Genetic Inheritance of Traits in Plants

Genetic Inheritance of Traits in Plants

The Activity of Liver Enzyme Catalase

The Activity of Liver Enzyme Catalase

The Presence of Lactose in Milk

The Presence of Lactose in Milk

Percentage of Water and Solids in a Sample of Milk

Percentage of Water and Solids in a Sample of Milk

Bacterial Quality of a Sample of Milk

Bacterial Quality of a Sample of Milk

Dissect a Sheep Heart

Dissect a Sheep Heart

Variation in Inheritable Characteristics

Variation in Inheritable Characteristics

Observation of Characteristics from Crossbreeding Animals

Observation of Characteristics from Crossbreeding Animals

Grow a Bacteria Culture

Grow a Bacteria Culture

Describe a Studied Farm

Describe a Studied Farm

Explore Leaving Cert Agricultural Science Exam Questions by Topics

Show more

Cation Exchange Capacity (CEC) of Soil

Cation Exchange Capacity (CEC) of Soil

The pH of Soil

The pH of Soil

Flocculation in Soil

Flocculation in Soil

The Activity of Earthworms in Soil

The Activity of Earthworms in Soil

Capillarity & Infiltration Rate of Soil

Capillarity & Infiltration Rate of Soil

Percentage Water Content of Soil Sample

Percentage Water Content of Soil Sample

Isolate & Grow Bacteria

Isolate & Grow Bacteria

The Conditions Necessary for Germination

The Conditions Necessary for Germination

Show That Light is Needed for Photosynthesis

Show That Light is Needed for Photosynthesis

Capillarity in a Plant Stem

Capillarity in a Plant Stem

Osmosis in a Potato Plant

Osmosis in a Potato Plant

Dry Matter in Silage

Dry Matter in Silage

Plant Uniformity of Certified and Uncertified Seed

Plant Uniformity of Certified and Uncertified Seed

Establishment for Grass vs Another Crop

Establishment for Grass vs Another Crop

Botanical Composition

Botanical Composition

The Effect of Nutrients

The Effect of Nutrients

Genetic Inheritance of Traits in Plants

Genetic Inheritance of Traits in Plants

The Activity of Liver Enzyme Catalase

The Activity of Liver Enzyme Catalase

The Presence of Lactose in Milk

The Presence of Lactose in Milk

Percentage of Water and Solids in a Sample of Milk

Percentage of Water and Solids in a Sample of Milk

Bacterial Quality of a Sample of Milk

Bacterial Quality of a Sample of Milk

Dissect a Sheep Heart

Dissect a Sheep Heart

Variation in Inheritable Characteristics

Variation in Inheritable Characteristics

Observation of Characteristics from Crossbreeding Animals

Observation of Characteristics from Crossbreeding Animals

Grow a Bacteria Culture

Grow a Bacteria Culture

Describe a Studied Farm

Describe a Studied Farm

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