'खालील प्रश्न सोडवा :चूक की बरोबर ते लिहा : खवटपणा ही ऑक्सिडीकरण प्रक्रिया आहे.
Study the entries in the following table and rewrite them by putting the connected items in the single row: 
Observe the figure and answer the following questions:
(a) Which gas is released as effervescence in the big test tube?
(b) What is the colour change in the lime water?
(c) Write the related chemical equation.
