Advertisements
Advertisements
Question
A to F below relate to the source and extraction of either zinc or aluminium.
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
Write down the three letters each from the above list which are relevant to:
- Zinc
- Aluminium
Solution
- B, D and F.
- A, C and E.
APPEARS IN
RELATED QUESTIONS
Choose the correct answer from the options given below:
Aluminum powder is used in thermite welding because
A. It is a strong reducing agent
B. It is a strong oxidizing agent
C. It is corrosion resistant
D. It is a good conductor of heat
State two conditions necessary for rusting of iron ?
Name an ore of zinc.
Why ‘the food containing iron salts’ should not be cooked in aluminium utensils?
Name an ore which is concentrated by:
forth floatation process
State the use of:
cast iron
Name an alloy of zinc used in naval ships.
What is added to steel to make it stainless steel?
Write the equation for the reaction of zinc with following: Sodium hydroxide solution
The main ore used for the extraction of iron is ______.
