Coal containing large quantity of __________ are difficult to wash.?

Ash
Inherent mineral matter
Free impurities
Volatile matter

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

4 views Answered 2022-09-01 13:21

Related Questions

In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.?

1 Answers 6 Views

Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.?

1 Answers 5 Views

Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg.?

1 Answers 4 Views

__________ of the coal is the basis for Seylor's coal classification.?

1 Answers 4 Views

Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal.?

1 Answers 4 Views

A coal containing very high percentage of durain is called __________ coal.?

1 Answers 4 Views

Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.?

1 Answers 6 Views

Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal.?

1 Answers 4 Views

Softening temperature of coal ash is a measure of the __________ of coal.?

1 Answers 5 Views

In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced.?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)