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Questions and Answers
Which process can be used to separate mixtures?
Which process can be used to separate mixtures?
- Polymerization
- Hydrolysis
- Sublimation
- Filtration (correct)
What are the properties shared by metals?
What are the properties shared by metals?
- Low melting and boiling points, conductivity, and malleability
- High melting and boiling points, non-conductivity, and brittleness
- Low melting and boiling points, non-conductivity, and brittleness
- High melting and boiling points, conductivity, and malleability (correct)
What type of compounds are metal oxides?
What type of compounds are metal oxides?
- Acids
- Ionic
- Neutral
- Bases (correct)
How can rusting be prevented?
How can rusting be prevented?
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What is the process that involves the evaporation of water from spongy mesophyll cells followed by vapor release through stomata?
What is the process that involves the evaporation of water from spongy mesophyll cells followed by vapor release through stomata?
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Which type of particles have enough energy to move and flow, but cannot be compressed?
Which type of particles have enough energy to move and flow, but cannot be compressed?
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What is the byproduct released when carbon dioxide diffuses into leaf cells for photosynthesis?
What is the byproduct released when carbon dioxide diffuses into leaf cells for photosynthesis?
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Study Notes
Photosynthesis and States of Matter
- Carbon dioxide diffuses into leaf cells for photosynthesis, releasing oxygen as a byproduct.
- Plants have adaptations for photosynthesis and survival.
- Starch testing involves heating a leaf, boiling it in ethanol, and adding iodine solution to detect starch presence.
- Variegated leaves demonstrate the importance of chlorophyll in photosynthesis.
- Transpiration is the evaporation of water from spongy mesophyll cells, followed by vapor release through stomata.
- Water moves through xylem vessels in a continuous transpiration stream from root to leaf.
- Root hairs are crucial for water absorption due to their large surface area and ability to penetrate soil particles.
- Xylem transports water from roots to leaves, while phloem carries sucrose from leaves to shoots and roots.
- Solids have particles close together, with fixed shapes and inability to flow like liquids.
- Liquids have particles with enough energy to move and flow, but cannot be compressed.
- Gases have widely spaced particles that move freely and can be compressed.
- Chemical reactions rearrange atoms but do not change the number of atoms, and can be represented using equations.
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