DAILY TEST 1
SCIENCE
CLASS : VIII
Fill in the blank
1.
Helium is symbolized by……………
2.
The name of Na is.………
3.
The name of
Li is…….
4.
The name of
Be is…….
5.
The name of
B is…….
6.
The name of
N is…….
7.
The name of
Mg is…….
8.
The name of
Si is…….
9.
The name of
Ar is…….
10.
The name of CaO is…
11.
The nams of
CO2 is…….
12.
The name of
Ca(OH)2 is…….
13.
The symbol of
Pottasium hidroxide is…….
14.
The symbol of
sodium hydroxide is…….
15.
The symbol of
calcium hidroxide is…….
16.
The name of KCl
is…….
17.
The name of
CaCl2 is…….
18.
The name of
LiOH is…….
19.
The name of
LiCl is…….
20.
The name of
NaCl is…….
21.
The name of H is…….
22.
Using in the party balloons is the function
of………….
23.
Using in orange street lamps is the function
of………..
24.
Using in jewellery, coins, and ornaments are the
function of…………..
25.
The metal is used in thermometers called………….
26.
Nitrogen
is classified into…………………… ( metal or non-metal)
27.
Oxygen is classified into…………………… ( metal or
non-metal)
28.
Sodium is classified into…………………… ( metal or
non-metal)
29.
Pottasium is classified into…………………… ( metal or
non-metal)
30.
Hydrogen is classified into…………………… ( metal or
non-metal)
Essay
1.
Write down names, symbol and atomic number of
elements ( at least 20 elements)
2.
Write down ten elements that classified into
Metal elements
3.
Write down ten elements that classified into
Non-metal elements
4.
Write down the function of aluminium
5.
Write down the function of magnesium
6.
Write down the function of sodium
7.
Write down the function of iron
8.
Write down the function of calcium
9.
Write down the function of hydrogen
10.
Write down the function of helium
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