Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
|
Parts of bunsen burner |
Barrel Air hole Gas spud Collar Gas inlet Base Gas regulator Mouth |
|
|
Where the fuel and air mixes |
Barrel |
|
|
Entrance of the air |
Air hole |
|
|
Regulates/controls the amount of fuel gas to be combusted |
Gas spud |
|
|
Regulates/controls the amount of air coming in and to close and open the air holes |
Collar |
|
|
Entrance of the fuel gas |
Gas inlet |
|
|
Supports the bunsen burner |
Base |
|
|
Valve that controls the fuel gas coming in to the gas spud |
Gas regulator |
|
|
Place of ignition |
Mouth |
|
|
Luminous flame Color: Operation with air holes: Amount of air needed: Reaction involves: |
Yellow Close Less amount Incomplete combustion: Produces black substance Common name: soot Chemical name: Carbon Chemical symbol: C |
|
|
Non luminous flameColor:Operation with air holes:Amount of air needed:Reaction involves: |
Blue Open Excess/maximum amount Complete combustion |
|
|
3 region of non luminous flame region: Upper: Intermediate or middle: Inner: |
Yellow Blue violet Sky blue |
|
|
Incomplete combustion |
Luminous flame |
|
|
Complete combustion |
Non luminous flame |
|
|
It comes from the burning of fuel and oxygen |
Heat |
|
|
The kind of flame used in the experiment |
Non luminous flame |
|
|
Measurement of volume of liquids |
Meniscus Upper meniscus Lower meniscus |
|
|
Curved line observed in the liquid |
Meniscus |
|
|
Reading portion of colored liquid |
Upper meniscus |
|
|
Reading portion of the colorless liquid |
Lower meniscus |
|
|
Kinds of liquid |
Colorless or transparent liquid Colored |
|
|
Eye must be level at the lower meniscus |
Colorless or transparent liquid |
|
|
Eye must be level at the upper meniscus |
Colored liquid |
|
|
Used to guide the flow of liquid to avoid spillage of the liquid in the side of the container. |
Glass rod |
|
|
Why should you heat the upper portion of the liquid rather than the bottom? |
To avoid sudden overthrown of the liquid from the test tube |
|
|
When heating liquid never point the opening of the test tube towards another person why? |
To avoid burning to another person. From the accident overthrown of the heated liquid. |
|
|
Best way to investigate odors |
Waft or fan towards the nose |
|
|
It is a separation of each components/substances in a given mixtures. The process is called |
Physical processes of separation |
|
|
Kinds of physical processes |
Filtration Decantation Distillation Evaporation Condensation Sublimation |
|
|
Crystalize |
Sublimation |
|
|
Filter |
Filtration |
|
|
The hard solid mixture was left while the liquid evaporated (pilit ang gahi) |
Decantation |
|
|
When the activated carbon absorb the color and odor |
Absorption |
|
|
The liquid evaporated and the solid remains |
Evaporation |
|
|
What substance is clinging at the bottom of the florence flask? |
Naphthalene (white crystal) |
|
|
What substances left in the evaporating dish |
Salt, coloring, sand |
|
|
Name the process or separation involved in this operation (crystalization) |
Sublimation process |
|
|
What is the term given to the clear liquid and the solid left at the container |
Supernatant liquid |
|
|
Residue left in the beaker |
Sand |
|
|
Name the process of separation involved in this operation(clear liquid and the solid left at the container) |
Decantation |
|
|
Is uses to absorb the coloring and odor Adhesion of coloring and odor |
Activated carbon |
|
|
The term given to the clear liquid that pass through the filter paper is |
Filtrate that contains salt and water |
|
|
What is the term given to the solid left after evaporation |
Residue |
|
|
Give the chemical name and chemical formula of the white solid crystal left in the evaporating dish: |
Sodium chloride, NaCl, salt |
|
|
Substance evaporated |
Water |
