2. In the experiment of liberation of H What happens when a glowing match stick is kept near the surface of shop solution,
Answers
Explanation:
From the graph above, it is evident that the world robot population has increased by almost 2 folds from 4.49million in 2006 to 8.37million in 2010. Domestic service, educational and leisure robots have contributed to the large increase in the use of robots in the 21st century. International Federation of Robotics (IFR) has forecasted a in sales for the robot market worldwide by 2013. , with the multi-faceted use of robots currently existing in our daily lives, one can expect robots specialising in childcare to be a part of reality in the near future.
Answer:
When an acid react with a metal it liberates hydrogen gas. To test the presence of H2 gas, bring a burning splinter near the mouth of the test tube where H2 gas is released, the match stick bums with a pop sound.