How Do You Make Invisible Ink With Baking Soda?
• Mix equal parts water and baking soda.’; } s += “”; document.write(s); return; } google_ad_channel = ‘+7733764704+1640266093+9911500640+9016233241+8962074949+8941458308+1258424658+7122150828’ + xchannels + gchans; google_ad_client = “pub-9543332082073187”; google_ad_output = ‘js’; google_ad_type = ‘text’; google_feedback = ‘on’; google_ad_region = “test”; google_ad_format = ‘250x250_as’; //–> • Dab a cotton swab, toothpick, or paintbrush into the mix. • Write a message onto white paper, using the baking soda solution as ‘ink’. • Allow the ink to dry. Read the message. There are two possible ways to read it: • 1. Hold the paper up to a heat source, such as a light bulb. The baking soda will cause the writing in the paper to turn brown. • 2. Paint over the paper with purple grape juice. The message will appear in a different color.
