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Hello,friends we are here with best ways to earn money and with some best science experiments so do not forget to wath them below. subscribe to our youtube channel below for faster updates of best ways to earn money,cool science experiments and for tech news. science experiments video In the video below there is an experiment in which we make own invisible magical pen which easil available materials...so let's watch full video to know how to do that.... LINK TO SOME MORE EXPERIMENTS AND TECH VIDEOS •🎥 watch another experiment •🎥 watch ways to earn THANKS FOR VISITING US LIKE SHARE & SUBSCRIBE US SCITECHE..............

make your own colour smoke bomb at home AIM TO MAKE COLOUR SMOKE BOMB AT HOME UNER RUPEES 50 MATERIAL'S REQUIRED POTASSIUM NITRATE/KNO 3 (commonly known as gandhak-potash,you only need potash) FOOD COLOUR(ANY) BAKING SODA SUGAR POWDER/C 12 H 22 O 11 (GRIND SUGAR TO FORM POWDER) CARDBOARD OR PVC PIPE OR CHARTPAPER some photos PREPARATION take 60gram kno3(by mass) and mix it with 40gram sugar powder thoroughly so that both mixes completely. add food colour to the above mixt.(1 teaspooon food colour per 100gram or >) And mix perfectly. now add about 1teaspoon of baking powder.(1 spoon per 100gram mixt.) fill it into pvc pipe or by making a small one side closed cyinder. now fire it up and enjoy the colorful smoke precaution kno3,sugar powder and baking soda should be dry and moisture less keep away from water if mixt. cathes fire and not produce colour smoke than add more baking powder and food colour. WARNING! warning warning warning warn...