登入
WAEC - Chemistry (1996 - No. 29)
What is the role of MnO
2
in the reaction represented by the following equation?MnO
2
+ 4HCI
2
+ CI
2
+ 2H
2
O
Bleaching agent
Oxidizing agent
Amphoteric oxide
Basic oxide
Catalyst
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面