LUC Lurrect answer
1) Which of the following reaction is fast
a) 2g sodium carbonate + 1 M...
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LUC Lurrect answer
1) Which of the following reaction is fast
a) 2g sodium carbonate + 1 M HCl aci
b) 2.5g Na, Co, + 1M HCl acid
c) 0.5g Na2CO3 +0.5M HCl acid
d) 2,5gNa2CO3 + 1MHCl at30c
2) Barium sulphate can be prepared by mixing
a) Barium carbonate and calcium salphate
B) Barium nitrate and lead sulphate
c) Barium Chloride and copper sulphate
d) Bao and Zinc sulphate
3) Which of the following elements can reduce Zinc oxide to Zn atom
a) Mg
c)Ag
b) Lead
d) Fe
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