heavy metals
Authored by Rakhmetova Gulsara
Chemistry
9th Grade
Used 10+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which metals are called heavy metals
with densities of 4.5 g/cm3
elements that are located in VII A group
elements with an atomic mass greater than 50
alkali metals
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which toxic elements do you know?
Na,Cu,Al,Pb
Au,Hg,Fe,K
Pb,Zn,Hg,Cd
Ca,Mg,Sn,Rh
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Сынап қандай табиғи қосылыстардың құрамында болады?
киноварь (HgS)
Каломель (Hq2Cl2)
С2H5HgCl
екі йодты сынап(HqІ2)
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The only metal that is liquid at room temperature
Fe
Au
Hg
Pb
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
As they call an alloy of metal with mercury?
corundum
thiocyanate
impurities
amalgam
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