Question

निम्नलिखित प्रश्नों के उत्तर एक पद में दीजिए-
1- महाराजा रणजीतसिंहः केन काणः आसीत्?
2- रणजीत सिंह का काणः अकरोत्?
3- महाराजा कैः सह ग्रामम् आगच्छत्?
4- सा कं मारयति स्म?
5- महाराजा कस्मै अन्नं धनं च अपच्छत्
6-प्रणयः कस्य चित्रम् अरचयत्?
7- गोपलकाः धेनुः कुत्र अनयन्?
8- वने बालाः किं कतुर्म आरभन्?
9- बालकस्य न्यायं दृष्ट्वा कः विरिमतः अभवत्?
10- सः बालकः कः आसीत्?​

Answer 1

A student adds lead and silver to two different test tubes containing an equal amount of copper sulphate solution. The student observes that the colour of the solution in the test tube with lead changes. What explains the change in the colour of the solution?

(a) A displacement reaction takes place as lead displaces copper from the solution.

(b) A combination reaction takes place as lead combines with sulphate in the solution.

(c) A double displacement reaction takes place as silver combines with sulphate in the solution.

(d) A decomposition reaction takes place as copper dissociates from sulphate in the solution.

Answer 2

Answer:

1.नेत्रेण

2.वृद्धा:

3.भटैः

4.वृद्वायै

5.वृक्षम्