### Which of the following is the best example of law of conservation of mass [NCERT 1975]

Question: Which of the following is the best example of law of conservation of mass [NCERT 1975]

(a) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO₂

(b) When 12 g of carbon is heated in a vacuum there is no change in mass

(c) A sample of air increases in volume when heated at constant pressure but its mass remains unaltered

(d) The weight of a piece of platinum is the same before and after heating in air

Correct Answer: (a) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO₂

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गोल हूँ पर बॉल नहीं लाल हूँ पर सेब नहीं जो मुझे परेशान करें उसकी फिर खैर नहीं! Hindi Paheliyan With Answer, Dimagi Hindi Paheli with Answer, New Hindi Paheliyan, Tough Hindi Paheli with Answer, New Collection of Hindi Paheliyan. पहेली  - गोल हूँ पर बॉल नहीं लाल हूँ पर सेब नहीं जो मुझे परेशान करें उसकी फिर खैर नहीं! जवाब   - प्याज ।

### How does the hundredth tiger take its final revenge upon the Tiger King?

Question:  How does the hundredth tiger take its final revenge upon the Tiger King? [CBSE (F) 2010] Answer:  A few days after killing the hundredth tiger, the Maharaja gifted a wooden tiger to his son on his third birthday. A tiny splinter on the surface of the wooden tiger pierced the Maharaja’s right hand, leading to a sore followed by the Maharaja’s death. Hence, the hundredth tiger took its final revenge upon the Tiger King. More Question What made Jack realise that his custom of telling a story was turning futile? Do you think Jack shared an affinity with Roger Skunk? Explain Why does Jo want the wizard should hit the mommy? Does her stand reflect a child’s perspective on life? What is your choice? Draw the character sketch of Jack Roger Skunk’s mother hit the wizard on his head. Do you think it was right on her part to do so? Should the wizard hit Roger Skunk’s mother? How does Derry interpret the fairy tale ‘Beauty and the Beast’? What does he feel about himself? If you we