WorksheetsBalance chemical equations
Total questions: 15
Worksheet time: 30mins
What are the series of metals in the following element?
K, Na, Ba, Ca, Zn
Mg, Al, Zn, Fe, Ar
Cl, Br, K, Hg, Au
H, C, O, N, P
Metal + acid =>
salt + water
water + hydrogen
salt + hydrogen
salt
What is the ion of Na (Z=11)
Na-
Na+
Na2+
Na2-
What is the ion of Cl (Z=17)
Cl+
Cl2+
Cl-
Cl2-
Ion Al3+ and SO42- will form the compound with formula
Al + HCl =>
We have ions Al3+ and Cl- , find the products and balance the above equation
Ca + HBr =>
We have ions Ca2+ and Br- , find the products and balance the above equation
...C + ...O2 => ...CO
Balance the equation?
Fe + H2SO4 =>
We have ions Fe2+ and SO42- , find the products and balance the above equation
Li + H2SO4 =>
We have ions K+ and SO42- , find the products and balance the above equation
Al + H3PO4 =>
We have ions Al3+ and PO43- , find the products and balance the above equation
Ba + H3PO4 =>
We have ions Ba2+ and PO43- , find the products and balance the above equation
aNa + bHCl => cNaCl + dH2
a,d,b,c respectively are
1,2,2,2
2,1,2,2
2,2,1,2
2,2,2,1
What is the correct equation?
Na + HNO3 => NaNO3 + H2
2Na + HNO3 => NaNO3 + H2
2Na + 2HNO3 => NaNO3 + H2
2Na + 2HNO3 => 2NaNO3 + H2
...H2 + ...Cl2 => ...HCl
Balance the equation?
