May 2021 1 84 Report
Physical and Chemical changes?

what physical and chemical changes would occur when i:

lit a candle?

Poured vinegar into crushed chalk?

Put two drops of iodine into .5g of corn starch mixed with 100mL of water?

Dropped one denture cleanser into 200mL of water?

Added 3 drops of phenolphthalein into 5mL of milk of magnesia?

Added 5ml of ammonia to 5mL of Iron(III) chloride?

(two of these do not have any physical changes)

can you help?

thanks:D


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