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Natural raw materials for chemical production:

• Phosphorite

• Dye

• Ammophos

• Coke

• Petrol

Pressure influence on chemical equilibrium depends on:

• The number of moles changing

• Heat effect

• Concentration changing

• Process selectiveness

• Doesn't influence

What kind of raw materials is apatite related to?

• Mineral

• Vegetative

• Animal

• Synthetic

• Combustible

An advantage of continuous processes:

• High productivity

• Sequential proceeding of stages

• Long duration of a process

• Significant down times of equipment

• Automation impossibility

One of stages of chemical-technological processes:

• Separation of production mixture

• Raw materials complex using

• Product preparation

• Reagents feed into the reaction zone

• Mechanical conversion

Production cost is:

• The sum of all expenses as a currency for a single unit of a product;

• All expenses as a currency in a day;

• Total manufacture expenses as a currency;

• Total manufacture expenses for year product output;

• Manufacture expenses as a currency for a single unit of raw materials;

Temperature increasing shifts equilibrium to the side of product formation for:

• Endothermic reactions;

• Exothermic reactions;

• Reactions taking place with the number of moles increasing;

• Reactions taking place with the number of moles decreasing;

• Doesn't influence on equilibrium shift;

What changes take place in chemical technology?

• Chemical composition and chemical properties of substances

• Size, shape and physical properties

• Physical properties of substances

• Size, shape and physical structure

• Temperature

The reaction order is:

• The sum of degree indicators of reagent concentrations in kinetic equation;

• The number of molecules taking part in an elementary reaction act;

• The number of formed products molecules;

• The sum number of initial reagents moles;

• The value determined how many times the target reaction rate is more than the side reaction rate;

The most universal method of mineral raw materials enrichment:

• Flotation

• Gravitational method

• Electromagnetic method

• Electrostatic method

• Adsorption method