What is the actual reducing agent of haematite in blast furnace?

What is the function of peptizing agent?

A steel tape 1m long is correctly calibrated for a temperature of 27.0 ^@C . The length of a steel rod measured by this tape is found to be 63.0 cm on a hot day when the temperature is 45.0 ^@C . What is the actual length of the steel rod on that day? What Is the length of the same steel rod on a day when the temperature is 27.0 ^@C ? Coefficient of linear expansion of steel = 1.20xx10^-5 K^-1 .

What are reducing sugars?

A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, what would be its enlarged length?

Whose metal dust is used as a reducing agent in dye industry?

Out of C and CO, which is better reducing agent at the lower temperature range in the blast furnance to extract iron from the oxide ore?

Reducing agents ----- electrons

Explain why HI is the strongest reducing agent among the halogens?

What is Sweetening agent? Give one example.