Question

Give an example of double displacement reaction? (CBSE 20
7 Name the reducing agentin given below chemical reaction
3 MnO, + 4A1 - 3 Mn+2A1,0, (CBSE-2016) )
3 Name the brown coloured gas evolved when lead nitrate
heated in dry test-tube.
9 Give reasons
a) Silver chloride is stored in dark coloured bottles.
b) Copper vesselloses shine when exposed to air
c) Iron is places copper from copper sulphate solution.
10 Identify the following reactions asआईडेंटिफाई द केमिकल चेंज मेल्टिंग आफ आइस ऑफ कन्वोकेशन ऑफ मिल्क इनटू कर्ड आंसर ​

Answer 1

Answer:

ANSWER

These two solutions reacts to form a white insoluble precipitate.

BaCl

2

+Na

2

SO

4

→2NaCl+BaSO

4

↓

This is a double displacement reaction as the two compounds exchange their ions to form to different compounds.