What is the main focus of the required practical discussed in the video?

Chemical Tests for Ions and Compounds

Interactive Video
•
Chemistry, Science, Biology
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifying unknown compounds using chemical tests
Learning about organic chemistry reactions
Studying the periodic table
Understanding chemical bonding
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ions are tested using flame tests and sodium hydroxide solution?
Non-metal ions
Metal ions
Gaseous elements
Organic compounds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color flame indicates the presence of potassium ions?
Blue
Green
Lilac
Orange-red
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a yellow precipitate indicate when using silver nitrate solution?
Presence of carbonate ions
Presence of sulfate ions
Presence of iodide ions
Presence of chloride ions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What flame color suggests the presence of calcium ions?
Blue
Green
Orange-red
Lilac
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What reaction occurs when a carbonate compound is treated with hydrochloric acid?
No reaction
Formation of a yellow precipitate
Effervescence and gas turning lime water cloudy
Formation of a blue precipitate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a blue precipitate with sodium hydroxide solution indicate?
Presence of copper(II) ions
Presence of calcium ions
Presence of sodium ions
Presence of potassium ions
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