Hello everyone welcome to our YouTube channel swastika an institution for learning. in this video I have discussed all the questions of first chapter of class 10th science that is chemical reaction and chemical reaction and equation is the first chapter of your text book class 10th it especially deals with what a chemical reaction is and what a chemical equation is anyone who wants to learn class 10th science can visit our YouTube channel swastika an institution for learning. this video discuss all questions of 1st chapter of class 10 science book. 1.rasayanik samikaran ko santulit karna 2. rasayanik samikaran ko santulit karna class 10th 3. chemical reaction and equation class 10th 4. samikaran ko santulit kaise karen 5. samikaran ko santulit kaise karen in Hindi 6. how balance chemical equation 7. samikaran santulit kaise karen 8. swastika BP sir