a) Colour of CuSO4 solution before the experiment____
b) Colour of iron nail after the experiment ______
Answers
Explanation:
Sau, canthave some more cake
Sur can
Samur, can you look after your friends
Aunty may thuve some more wafers?
Yes, you may Ravi Could you switch on the fan, please? The switch board is right behind you
Mama, can I distribute the return gifts now?
Hes, you can do that now
Aunty may leave now?Thave to go out with my parents
Oh sure you may
venation between a teacher and two students. Use may, can or could to fill in the blankes.
Su quuetly and take out vour notebooks.
Ma'am
I drink water
You all ....Can... go and play in the ground after yo
complete the excise
Ma'am
you allow us to carry our water bottles to the ground,
You all
do so.
Yes you
wing
ay
BLE TO
Bal Vidyalaya believes in holistic development of students and encourages team building through a mix of curricular, co-curricular and sports activities. On its Founder's Day a stage perfomiance had to be put up. A committee of ten prefects was constituted to plan different aspects of the function. They all decided to use recycled paper for decoration As there was a spirit of unity and harmony and all members supported each other with mutual trust belongingness, the programme was systematically planned and executed. Arvind, one of the prefects, realised that unknowingly the group had applied one of the principles of management while planning and executing the programme. He was so inspired by the success of the function, that he asked his father to apply the same principle in his business His father replied that he was already using this principle. Identify and State any Five features of management highlighted in the above paragraph by quote the lines from above...
Explanation:
=>When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper.
Therefore copper sulphate solution colour changes from blue to pale green.
=>When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed in the surface of iron and the colour of copper sulphate solution changes from blue to pale green.
The reaction shows that iron is more reactive than copper because it displaces copper from the copper sulphate solution.