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23 Cards in this Set
- Front
- Back
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Which of these is NOT a safety precaution when lighting a Bunsen burner?
A) Tie back hair B)Ensure that the collar is turned to safety flame C) Clear Space D) Make sure the tube connecting to the gas tape has no holes |
HAHAHAHAHA I TRICKED YOU!!!
They are all safety precautions! |
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When writing a practical report what are the nine parts?
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1) Title and Date
2) Introduction 3) Aim 4) Hypothesis 5) Materials and Equipment 6) Method 7) Results 8) Discussion 9) Conclusion |
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True or False?
The Hypothesis states what you instead to find out? |
False
The AIM states what you intend to find out! |
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What is a meniscus?
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A meniscus is the dip in water.
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I'm measuring out 50mL and I need it to be exact! What two pieces of equipment do I use and why?
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First, you use a measuring cylinder to get the measurement, Then you use a beaker to hold the liquid.
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What tense do I write a practical report in?
A) Present Tense (I'm writing it as I do it) B) Past (I'm writing it like it did it already) C) Future (I'm writing it like I'm going to do it) D) You don't write it at all because there is no such thing as a practical report! |
B) Past (I'm writing it like it did it already)
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When I'm drawing a graph, do where do I put my titles?
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Title 1) The first title, sums up the whole graph and goes at the top.
Title 2) The second title, tells me what the vertical, axis is measuring and in brackets what unit of measurement it is using, it goes vertically along the left hand side. Title 3) The third title, tells me what it is being measured, along the horIIzontal axis (DUHH IT GOES ON THE HORIZONTAL AXIS) |
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What is a:
Table? Field? Record? |
Table: Oraganized format to sort/ present data
Field: Names of of data in a table (titles) Record: One complete row in the table. |
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True or False?
When lighting a match I should strike it towards people I don't like so they catch on fire? |
FALSE
(but it would be funny) |
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Is spelling an important thing to remember when searching for particular data on a data base?
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HELLS YEA!
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What is Gravity Separation?
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Use gravity to separate heavier particles lighter particles. The heavier particles fall to the bottom.
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Which Separation is this?
Uses a magnet to separate magnetic particles from no magnetic particles. |
Could it be more obvious?
MAGNETIC SEPARATION |
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Which separation am I?
I am used to separate dissolved solutes from a solution. When I am used in a mixture of salt and water, the water EVAPORATES and the salt is left behind and CRYSTALLIZES. |
I am the Evaporation and Crystallization method of Separating Materials
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What is Sieving Separation?
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The mixture is moved through a sieve, the smaller particles fall through the sieve and leaving the larger particles in the sieve
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Distillation Separation involves:
A) Evaporation B) Filtering C) Magnets |
A baby A!
A for Answer And A for Awesome (the answer is A is you haven't got it by now) |
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Filtration is when...
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the mixture passes through a filter that allows solution to pass through but not larger particles . The substance trapped is called the RESIDUE and the liquid that passes through is the filtrate!
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What is the filtrate?
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The filtrate is the liquid that passes through the filter.
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Residue is...
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the larger particles left in the filter after, a mixture is filtered
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Heterogeneous?
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mixtures of a solid and a liquid, in which the liquid does not dissolve.
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Suspensions will..
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settle when left standing undisturbed.
Paint is a suspension because there is ewlack at the bottom. |
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True or False
Emulsions are heterogeneous? |
True
The liquids do not mix so emulsions are heterogeneous |
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Emulsions?
Such as? |
Emulsions are a special type of suspension. This mixture consists of two liquids that do not mix.
Such as oil and water. |
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True or False?
Colloids are opposite of suspensions? Why? |
True.
Colloids will not settle, if left standing for a period of time |
