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Worksheetsquiz 2
Total questions: 50
Worksheet time: 58mins
1. What is shown on the picture?
A. Do not run around in a lab.
Quickly report all accidents to your teacher
A. Learn all information before an experiment
A. Run around in a lab.
How can we translate “колба”?
funnel
flask
beaker
tube
Which one is written wrong?
A. H – Hydrogen
B. C – Carbon
C. Na – Sodium
D. O – Oljasium
How can we divide “Pure substances”?
Divide - /разделить/бөлу
A. Elements and Compounds
B. Mixtures and Impure substances
C. Homogeneous and Heterogeneous
D. Elements and mixtures
Pure water and Muddy water :
Mixture and Mixture
Mixture and Compound
Compound and Compound
Compound and Mixture
What is a name for Na2CO3?
Sekmen
Baking soda
Washing soda
potash
Find compound with correct name: Correct - /правильно/дұрыс
A. Li2O– lithium (II) oxide
B. AlBr3 – aluminum bromine
C. Na2O– sodium oxide
D. P2O3 – phosphorus trioxide
Which one is named correct?
A. CO2 – carbon dioxide
B. N2O – dinitrogen oxide
C. NO – nitrogen oxide
D. SO3 – sultan trioxide
What is the name for H2SO3?
A. Hydrosulfuric acid
B. Sulfurous acid
C. Sulfuric acid
D. Hydrosulfuric salt
Compounds on left side of arrow are called …
A+B → AB
A. Products
B. Reaction
C. Reactants
D. Change
Which one will be correct for the reaction below?
4K + O2 → 2K2O
A. K and O2 are products
B. K2O is reactant
C. K, O2 and Na2O are products
D. K and O2 are reactants
What is the type of the reaction below?
NaOH + HCl → NaCl + H2O
A. Combination
B. Oxidation-reduction
C. Single displacement
D. Neutralization reaction
The smallest particle (from Greek indivisible)?
proton
neutron
electron
atom
Which particle is negative and shown as “e”?
proton
neutron
electron
atom
……………… waste gas from machines or engines.?
A. Greenhouse gases
B. Global warming
C. Exaust gases
D. Fossil fuel
Chlorine atom has 17 electrons. How many shells does it have?
4
3
2
1
What is the atomic number of Carbon?
+4
6
12
4
Which compound has got ionic bond?
A. BaCl2
B. Ca
C. CO
D. P
How do we call horizontal rows?
A. Groups
B. Periods
C. Periodic Table
D. Elements
Examples of transition metals?
A. Ca, Fe
Li, Cu
Fe, Ni
K, Ag
What is the percentage by mass of (Al) in Al2O3? (Al=27, O=16)
53
26.5
47
45
1. Which one it false for Oxygen gas? False - /неправильно/қате
A. Colorless
B. Odorless
C. Tasteless
D. Monoatomic
All of the following are properties of metals, except:
Good conductors of electricity
They have a dull color
They are shiny
Can be hammered into sheets
Solutions that contain relatively large amount of solute are called ……………….:
A. Solute
B. Saturated
C. Concentrated
D. Diluted
Slippery can be translated as:
A. Тітіркендіргіш/Раздражитель
B. Қышқыл дәм/Кислый вкус
C. Коррозия/Разъедающий
D. Тайғақ/Скользкий
Examples of Halogens
A. Li, O
B. Cl, Te
C. Se, I
A. At, Br
Examples of alkali metals?
A. Li, Mg
B. Na, Ca
C. Cs, Fr
D. Fr, Ag
What is the percentage by mass of carbon in MgCO3? (Mg=24, C=12, O=16)
A. 14.3
B. 25.2
C. 10.7
D. 11.4
Which one is false for Oxygen gas?
A. Odorless
B. Blue color
C. Tasteless
D. Diatomic
All of the following are allotropes of hydrogen except:
A. Tritium
B. Zhazirium
C. Protium
D. Deuterium
Solution contains two components:
A. Proton and Neutron
B. Nucleus and Electrons
C. Periods and Groups
D. Solvent and Solute
Sour taste can be translated as:
A. Тәтті дәм/Сладкий вкус
B. Ащы дәм/Горький вкус
C. Қышқыл дәм/Кислый вкус
Ащы дәм/Острый вкус
What is the meaning of the word “limit”?
enough
excess
not needed
nayman
What is the meaning of the word “excess”?
Enough
Needed
Not needed
Nayman Jr
How many allotropes does oxygen have?
1
2
3
4
1. Protons are ……… particles and shown as “p”
neutral
positive
negative
similar
Electrons are ……… particles and shown as “…”
A. Negative, n
B. Negative, e
C. Positive, e
D. Neutral, e
Sodium metal ......... with water to ......... hydrogen and sodium hydroxide
Reacts, produce
Produce, release
To give, reacts
to form, reacts
A …………… is composed of two or more elements in a specific ratio.
A. Element
B. Compounds
C. Homogeneous mixtures
D. Heterogeneous mixtures
Pb(NO3)2 + KI → PbI2 + KNO3
Lead (II) ……… reacts with ……… iodide to produce lead (II) iodide and …………..
A. Nitrate, Kalium, Kalium natrate
B. Nitrite, Kalium, Kalium nitrite
C. Nitrate, Potassium, Potassium nitrate
D. Nitrite, Potassium, Potassium nitrite
The molecular formula for vitamin C is C6H8O6. What is the empirical formula?
A. CHO
B. CH2O
C. C3H4O3
D. C2H4O2
Alkali metals all have one ......... in their valence shell
A. Orbital
B. Proton
C. Electron
D. Neutron
What is the percentage of OH– in Ca(OH)2?
A. 45.9%
B. 66.6%
C. 75%
D. 90.1%
Name the group of this formula CnH2n-2
A. Alkane
B. Alkene
C. Alkyne
D. Alkyl
How many atoms are there in 3.33 moles of strontium?
A. 2.00 x 1024 atoms
B. 3.21 x 1032 atoms
C. 1.11 x 1011 atoms
D. 4.24 x 1023 atoms
18.0 g of water contains the same number of atoms as
A. 18.0 g of sodium
B. 28.0 g of oxygen
C. 24.0 g of magnesium
D. 50.0 g of sodium chloride
Formula of Alkyl groups
A. CnHn+1
B. CnHn-1
C. CnH2n-1
D. CnH2n-1
Since 12C’s molar mass is 12 grams, 48 grams of 12C atoms would be equal to ____ moles.
2
4
6
8
What volume of carbon dioxide at STP be obtained on treating 1g of marble (CaCO3) with dilute HCl?
A. 0.224 L
B. 2.24 L
C. 4.48 L
D. 0.448 L
Name the group of this formula CnH2n+2
A. Alkyl
B. Alkene
C. Alkane
D. Alkyne
