Q: Why was sodium carbonate used in the extraction of caffeine from coffee?
A: Sodium carbonate: It is an inorganic compound is also known as soda ash, washing soda, and soda…
Q: What is the purpose for ground substance?
A: Ground substance is also called matrix. It is an intercellular material in which the cells and…
Q: What is the turgid in the water?
A: Osmosis is the process by which the solute molecules are transported from higher concentration to…
Q: Why does blood cell become clear in distilled water?
A: There is a semi-permeable membrane which decides the entry and exit of the molecules from the cell,…
Q: Which chemical was the base in the buffer containing NaH2PO4 and Na2HPO4?
A: Acids are substances which have protons which can be donated to other chemical species. Acidic…
Q: What will happen if we put distilled water in jar containing water and potato strips
A: Osmosis is defined as a process where the low concentrated solvent moves towards the high…
Q: 1,500,000 units of an antibiotic if the elixir contains three million units per fluid ounce?
A: Elixir An elixir is sweetened alcoholic solution of alcohol containing a medicinal drug with syrup…
Q: Explain why sake—sometimes called rice wine—would be more accurately described as “rice beer.”
A: Beer and wine are the most prevalent alcoholic beverages. In reality, there are certain similarities…
Q: Four process that may be used to refine oil
A: Refining of oil is an industrial process that involves the conversion of crude oil into useful…
Q: Why red sea appears red in colour?
A: Red sea is the seawater inlet present between Africa and Asia. This river is the saltiest sea that…
Q: Why potato strip increase in size when placed in distilled water?
A: Osmosis is defined as the movement of water molecules from the higher water potential region to the…
Q: Will bakers yeast make alcohol?
A: Fermentation is also termed as alcoholic fermentation. It is a chemical process in which sugar is…
Q: What should happen when you add magnesium salts to the soap solution and then what happens when you…
A: Soap is a cleansing and emulsifying agent that is made usually by action of alkali on fat or fatty…
Q: Name two alcoholic drinks produced in each of the following ways.(i) by distillation and (ii)…
A: An alcoholic drink is the one that has ethanol, a type of alcohol produced by fermentation of…
Q: Part III. Identify the type of solution shown in each illustration 1. 2. 3. 5. 6.
A: Osmosis affects nutrition delivery and the release of metabolic waste products. It is in charge of…
Q: How is water harmful to life on Earth?
A: Earth contains about 70% of the water on its surface. All the animals and plants can not live…
Q: 10. Fill up the table and draw the following: a. guard cell in distilled water b. guard cell in 0.5…
A: The guard cells surround the stomatal pore.
Q: In a hurry one day, you merely rinse your lunch disheswith water. As you are drying your salad bowl,…
A: Polar molecule have regions that have opposite charges due to presence of uneven numbers of…
Q: How did your soap compare to the commercially prepared soap?
A: If we wash oily/ greasy hands with soap then only oil/grease gets removed. In the…
Q: What is the source of litmus used for measuring pH?
A: Ph indicator is a chemical compound when added to a solution in small amount changes its colour that…
Q: Distinguish between acid and rennet curds.
A: Curdling is the process through which curd is obtained by coagulating milk. The coagulation can be…
Q: H,0 Pure water Positive pressure Negative pressure H,0 H20 H,0 Solute A В C
A: Water potential: it is the potential energy of water per unit volume in comparison to pure water…
Q: In your textbook, read about acid precipitation. Refer to the map of the United States and the key.…
A: Acid rain denotes to any kind of precipitation with acidic particles.
Q: What is the function of immersion oil?
A: Immersion oils are transparent oils that have specific optical and viscosity characteristics…
Q: What happened when potato strip placed in salt water?
A: 1) A solution mixture that exhibits a higher concentration of salt than the surrounding medium. Then…
Q: What happens if we combine jello in a water solution with electricity?
A: There are three basic types of mixtures, solution, suspension, and colloids. A solution is a…
Q: Which compound should be used to extract lipids from cells? 1. Water 2. A buffer with high…
A: Lipid is a macromolecule that was essential for the biological functions of the human body. where…
Q: What makes the alcohol harmful to the skin when it has been soak for a very long time? What are the…
A: Isopropyl alcohol is secondary alcohol and the hydroxyl group is attached to the second carbon…
Q: What happened to the distribution of methylene blue crystals in the beaker water over time? What…
A: Diffusion Diffusion is a process involving the movement of molecules "down the gradient" i.e. from…
Q: part 1What is the % v/v obtained when 20 ml of acetic acid is added to 200ml water? part 2How many…
A: % v/v is Percent volume/volume defined as the concentration of a solute in solution in terms of…
Q: Cork can float on water. As you examine cork under the microscope, what features do you observe that…
A: Cork (cambium) cells are dead cells present in the epidermis of the plant. The main function of…
Q: Apparatus used to add a liquid to a solid in the generation of a gas
A: Kipp's Apparatus is used to prepare gases
Q: What happened to the pH when the cola and borax solution was added to the water? Explain
A: Answer. When the cola was added to the water, the pH of the water went from neutral to acidic even…
Q: How is distillation done, and how/why does it work to increase alcohol concentration
A: Distillation is the process involving the conversion of a liquid into vapour that is subsequently…
Q: How do you make 70 ml of a 60% solution??
A: The making of solutions of different concentrations can be achieved with the help of principle…
Q: Socratica 12:3" O Droperties of Water List and Explain 6 properties : 1, 2. 3. 34. 5. 6.
A: Water is one of the most essential components and it exists in three forms- solid, liquid, and…
Q: These are safety fillers. O flask o dropper o dropper or pipette o pipette O beaker
A: Pipette It is defined as a laboratory tool which is commonly used in the field of chemistry and…
Q: What made the pepper on water move upon the addition of the dishwashing liquid?
A: Water molecules are composed of two hydrogen molecules covalently bonded to one oxygen molecule.…
Q: How to reduce/control selenium pollution?
A: Selenium is a trace element that has emerged as a contaminant of concern in water bodies. The…
Q: Why are emulsions important in food preparation?
A: Emulsion is a solution formed by the mixing of two immiscible liquids. An emulsifier helps to…
Q: What effect does the water temperature have on solution rate
A: There are many factors which influence the rate at which a solute will dissolve in a solvent…
Q: what happens when a dishwashing liquid mixed in water
A: Dishwashing liquids are those liquids that are used to clean the dishes like crockery etc in the…
Q: How many joules are required to boil 150 grams of water?
A: To boil an amount of water, an amount of heat is required to increase the temperature is dependent…
Q: 1When you gargle water, add salt, add dishwashing liquid solution, and 2 drops of pineapple juice,…
A: The ingredients that are mentioned are used for the purpose of extraction of DNA . Process of…
Q: How has the National Appliance Energy Conservation Act of 1987 helped reduce acid deposition?
A: -It set standards for household appliances, for an example washing machine and dryer. -It also asked…
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- 1When you gargle water, add salt, add dishwashing liquid solution, and 2 drops of pineapple juice, what will happen? What happens when you add chilled ethyl alcohol? Explain.How is distillation done, and how/why does it work to increase alcohol concentration?Why is 350°C water emitted from a black smoker not boiling?