Question

निम्नलिखित मुहावरों का अर्थ लिखकर वाक्य
1. चेहरे का रंग उड़ जाना
2. अपने मुँह मियाँ मिठू बनना
3. हिम्मत हारना
4. आँखें लाल करना
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Answer 1

Answer:

Chemistry, the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.