MEDIUM
10th Maharashtra Board
IMPORTANT
Earn 100

In the reaction between chlorine and HBr a transformation of HBr into Br2 takes place. Can this transformation be called oxidation? Which is the oxidant that brings about this oxidation?

Important Questions on Metallurgy

MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Can you recall?>Q 1
What is the electronic definition of oxidation and reduction?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Use your brain power!>Q 1
Write the electrode reaction for electrolysis of molten magnesium chloride and calcium chloride.
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Can you tell?>Q 1
What are the moderately reactive metals?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Can you tell?>Q 2
In which form do the moderately reactive metals occur in nature?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Collect information>Q 1
Collect the information regarding how mercury is extracted from its ore cinnabar and write the corresponding chemical reaction.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Can you recall?>Q 1
What is meant by corrosion?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Think about it>Q 1
Why do silver articles turn blackish while copper vessels turn greenish on keeping in air for a long time?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 8 - Metallurgy>Think about it>Q 2
Why do pure gold and platinum always glitter?