Ch 1 Flashcards
(24 cards)
1
Q
Ex of change in colour
A
Pb(no3)2 + KI2 = PbI2 yellow ppt )+ kno3
2
Q
Mathanol formula
A
Ch3oh
3
Q
Mathanol formation
A
Co2 + h2
340 atm
4
Q
Quick lime
A
Cao
5
Q
Slaked lime
A
Ca(oh)2
6
Q
Ca(oh)2 + co2
A
Caco3
7
Q
Chem formula of marble
A
Caco3
8
Q
Methane
A
Ch4
9
Q
Ch4 + o2
A
Co2 + h2o
10
Q
Feso4 colour
A
Green
11
Q
Feso4 on heating
A
Fe2o3 + so2 + so3
12
Q
Fe2o3 colour
A
Rdd brown
13
Q
Cause for acidic rain
A
So2
So3
14
Q
Heating pb(no3)2
A
Pbo + no2 + o2 (brown fumes )
(Yellow brown)
15
Q
Ratio of h2 and o2 gas in electrolysis
A
2:1
16
Q
In electrolysis gas from Anode
A
Oxygen
17
Q
Cathode gas
A
Hydrogen
18
Q
Agcl to ag colour change
A
White to grey
19
Q
Reactions used in black white photograpgy
A
Photolytic decomposition reacn
20
Q
Baoh2 + nh4cl
A
Bacl + h2o + nh3
21
Q
Cuso4
A
Blue
22
Q
Znso4 colour
A
Colourless
23
Q
Cuo colour
A
Black
24
Q
Ag2s colour
A
Black
