jake and ethan started to make fun of Felix while sitting in the cafe but Daisy and Kara were empathetic towards him. What was unusual and different about Felix that made all these characters react in the way they were?
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jake and ethan started to make fun of Felix while sitting in the cafe but Daisy and Kara were empathetic towards him. What was unusual and different about Felix that made all these characters react in the way they were?
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Answer:
With the help of any two equations show that hydrogen is a reducing
agent.
Explanation:
With the help of any two equations show that hydrogen is a reducing
agent. With the help of any two equations show that hydrogen is a reducing
agent. With the help of any two equations show that hydrogen is a reducing
agent. With the help of any two equations show that hydrogen is a reducing
agent. With the help of any two equations show that hydrogen is a reducing
agent. With the help of any two equations show that hydrogen is a reducing
agent. The temperature at which white hot coke converts into water gas.
b) The formulae of Benzene.
c) The temperature at which Graphite melts.
d) The random movement of particles.
e) The density of diamond.
Q. 2 Match the following:
2.5 m
a) Buckminsterfullerene
i)
CaO(s) + CO
2(g)
b) Quicklime
ii)
Rocket Fuel
c) Decomposition of CaCO3
iii) CaO
d) Weak Electrolytes
iv) C60
e) Liquid Hydrogen
v)
NH4OH
Q. 3 Balance the following equations:
2.5 m
a) Fe2O3+H2 → Fe+H2O
b) Mg + CO2 → MgO + C
c) SO2+NaOH → Na2SO4 + H2O
d) Al2O3 + H2SO4 → Al2 (SO4)3 + H2O
e) NaHCO3 + H2SO4 → Na2SO4 + H2O + CO2
Q. 4 Define:
2.5 m
a) Reducing Agent
b) True Solution
c) Anhydrous Substances
d) Hygroscopic Substances
e) Deliquescent substances
SECTION-B [10 Marks]
(Attempt all questions)
Q. 5 Observe the given figure properly and answer the following questions:
i) Define the process taking place in the above picture.
1 m
ii) Also write
the equations that take place at the cathode and anode.
2 m
iii) With the help of any two equations show that The temperature at which white hot coke converts into water gas.
b) The formulae of Benzene.
c) The temperature at which Graphite melts.
d) The random movement of particles.
e) The density of diamond.
Q. 2 Match the following:
2.5 m
a) Buckminsterfullerene
i)
CaO(s) + CO
2(g)
b) Quicklime
ii)
Rocket Fuel
c) Decomposition of CaCO3
iii) CaO
d) Weak Electrolytes
iv) C60
e) Liquid Hydrogen
v)
NH4OH
Q. 3 Balance the following equations:
2.5 m
a) Fe2O3+H2 → Fe+H2O
b) Mg + CO2 → MgO + C
c) SO2+NaOH → Na2SO4 + H2O
d) Al2O3 + H2SO4 → Al2 (SO4)3 + H2O
e) NaHCO3 + H2SO4 → Na2SO4 + H2O + CO2
Q. 4 Define:
2.5 m
a) Reducing Agent
b) True Solution
c) Anhydrous Substances
d) Hygroscopic Substances
e) Deliquescent substances
SECTION-B [10 Marks]
(Attempt all questions)
Q. 5 Observe the given figure properly and answer the following questions:
i) Define the process taking place in the above picture.
1 m
ii) Also write
the equations that take place at the cathode and anode.
2 m
iii) With the help of any two equations show that hydrogen is a reducing
agent.
1 m Write down the formulae of the following:
a) Formic Acid
b) Oxalic Acid
1 m
ii) Write any two uses of sugar charcoal.
1 m
iii) Write chemical equations for the following:
a) Charcoal reduces steam to water gas
b) When heated with hydrogen, charcoal forms methane.
1 m
Q.7 i) Write down the formulae of the following crystals
a) Quicklime
b) Glauber’s salt
1 m
ii) What are allotropes? Explain any one in detail.
1 m
iii) Write down any two equations to show that CO is a
reducing agent.
1 m
Answer:
duieehje
Explanation:
Wikipedia is a factor in the first quarter and it is not the only one that is a solution to it can cause different waterborne