{ "@context": "https://schema.org", "@type": "Organization", "name": "Brainscape", "url": "https://www.brainscape.com/", "logo": "https://www.brainscape.com/pks/images/cms/public-views/shared/Brainscape-logo-c4e172b280b4616f7fda.svg", "sameAs": [ "https://www.facebook.com/Brainscape", "https://x.com/brainscape", "https://www.linkedin.com/company/brainscape", "https://www.instagram.com/brainscape/", "https://www.tiktok.com/@brainscapeu", "https://www.pinterest.com/brainscape/", "https://www.youtube.com/@BrainscapeNY" ], "contactPoint": { "@type": "ContactPoint", "telephone": "(929) 334-4005", "contactType": "customer service", "availableLanguage": ["English"] }, "founder": { "@type": "Person", "name": "Andrew Cohen" }, "description": "Brainscape’s spaced repetition system is proven to DOUBLE learning results! Find, make, and study flashcards online or in our mobile app. Serious learners only.", "address": { "@type": "PostalAddress", "streetAddress": "159 W 25th St, Ste 517", "addressLocality": "New York", "addressRegion": "NY", "postalCode": "10001", "addressCountry": "USA" } }

Revision1 Flashcards

Revise (11 cards)

1
Q

Name 3 states of matter

A

Gas liquid solid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the proses of a solid turning into a gas

A

Subliming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Is water a pure substance. Why?

A

No. Because it has other elements / compounds in it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is a element

A

Contains only one type of atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a compound

A

Contains more than one type of atom chemically bonded together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a pure substance

A

A substance that has only one type of element / compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How can you remove salt from sea water if you don’t want to keep the water

A

Evaporation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How can you remove salt from sea water if you do want to keep the water

A

Simple distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What method can you use to examine different substances in a liquid

A

Chromotography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How do you calculate rf value

A

Distance moved by the spot divided by distance moved by the solvent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How can you separate two liquids

A

Fractional distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly