Question

Following observations are made while burning the following metals in air
a. Burns quickly with a bright yellow flame leaving a yellow powder
b. Burns with a brilliant white flame leaving a white ash
c. Does not burn. Hot metal glows in oxygen and gives off yellow sparks leaving an orange
powder
d. Does not burn. Metal eventually coats with a black layer
e. Does not react at all

A. Name the above metals with the reactions
B. Arrange the metals in order of decreasing activities towards oxygen

Answer 1

Answer:

B because metals are arranged in order decreasing towards oxygen

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