Font size
WorksheetsSUPER HARD QUIZ
Total questions: 19
Worksheet time: 30mins
The 'conservation of mass' theory tells us when a chemical reaction occurs in a closed system
there will be no change in mass
there will be a change in mass as it cannot be directly weighed and may dissipate
To neutralise an acid you add a
acid
base
Ph indicator
equal amount of water
A Ph scale of7/8 is
acidic
neutral
basic
Bases that dissolve in water are called
caustic
alkalis
reactants
products
bases are the same as an acid
true
false
When an acid reacts with a metal following is the product
salt + hydrogen
salt + carbon dioxide + water
Why is smoking bad for you and others ?
Well this naive kids are unware of smoking & smoking kills our body
it damages our dna
co2 gets trapped inside our body
it can be dangerous to try smoking
How many atoms of sodium (Na) are in one molecule of baking soda?
1
2
3
4
.sdrawkcab noitseuq siht rewsnA
In which year did Louis Pasteur Émille roux ,developed the 1st rabies vaccination
1881
1652
1895
1896
1420
______,____and _______on computers in a network can also be shared by the users of network
Network
Internet
Filles , data and information
Detrmine wheter each pair of ratios forms a proption :D
NOT A PROPOTION
PROPOTION
7778 X 9682
75306596
662126948
53666456
89.166699666677
1
Pick the awesome answer!
3
5
8
9
6
12x6
(a)
3 + 3 = ?
0
9
6
8
5
What competition did jason won?
(a)
