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SMK KEPONG FORM 4 CHEMISTRY PBL. DIY LITMUS SOLUTION.
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BEFORE. Facial Cleansing Milk. Body Lotion. Daily Milk.
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AFTER •Facial Cleansing Milk.
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AFTER •CARBONATE DRINK.
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AFTER •BODY LOTION.
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AFTER •DAILY MILK.
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AFTER •COFFEE.
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AFTER •TOOTHPASTE.
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AFTER •SOY SAUCE.