Saturday 28th March 2026
    Difficulty: Medium

    Solutions (#1,226)

    Photo by <a href="https://unsplash.com/@girlwithredhat?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText">Girl with red hat</a>
    Photo by Girl with red hat (Unsplash)

    1. What is a solution of sodium hypochlorite usually called?

    2. How much salt can you dissolve in one litre of water at 20ºC?

    3. If you put dihydrogenated palmoylethyl hydroxyethylmonium methosulfate into your washing machine, what would it do to your laundry?

    Privacy: we believe in respecting our users' privacy. When you click the button above, you'll get your score straight away. We won't request your details, or try to sell you anything, or ask you to subscribe.

    Top