Question

DETERMINE O NOX DE CADA ELEMENTO E INDIQUE QUAL REDUZ E QUAL OXIDA :    HNO3+P4+H2O>H3PO4+NO

Answer 1

Do you drink mineral water?2) Do Sarah and Linda feed their pets?3) Does your teacher check your homework?4) Do they live in the old house?5) Does the cat sit on the wall in the mornings?6) Does Nina play computer games?7) Do your parents watch TV in the afternoon?8) Does your grandmother answer the phone?9) Does Andy do the shopping?10) Do Garry and Ken have a cup of tea in the afternoon?

Answer 2

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