1.

Fill in the blanks.(a) Gold of 100% purity is ………… carat gold.(b) Bronze contains the metals ………… and ………… .(c) The ………… gas is released when metals react chemically with acids.(d) Oxides of metals have ………… properties.(e) The non-metal ………… is used in gun powder.

Answer»

Fill in the blanks.

(a) Gold of 100% purity is ………… carat gold.

(b) Bronze contains the metals ………… and ………… .

(c) The ………… gas is released when metals react chemically with acids.

(d) Oxides of metals have ………… properties.

(e) The non-metal ………… is used in gun powder.



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