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AS(8080) Chemistry 6243.02 3B Tables Questions Student Conference March 2006 1 Flame tests FLAME COLOUR yellow or orange lilac carmine(red) yellow-red crimson pale green INFERENCE sodium ion potassium ion lithium ion calcium ion strontium ion barium ion 2 Identification of gases GAS oxygen carbon dioxide sulphur dioxide ammonia nitrogen dioxide hydrogen hydrogen chloride chlorine bromine iodine water vapour OBSERVATIONS colourless gas which relights a glowing splint colourless gas which gives a white ppte with limewater colourless gas which is acidic and decolourises acidified potassium manganate(VII) and turns acidified potassium dichromate(VI) orange to green colourless gas which turns moist red litmus paper blue brown gas colourless gas which ignites with a “pop” steamy fumes on exposure to moist air, acidic.
It removes airborne grease, combustion products, fumes, smoke, odors, heat, and steam from the air by exhaust of the air.
It removes airborne grease, combustion products, fumes, smoke, odors, heat, and steam from the air by exhaust of the air .
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cotton wool soaked in concentrated aqueous ammonia X Y cotton wool soaked in concentrated hydrochloric acid Colourless fumes of hydrogen chloride are given off by the hydrochloric acid.
Gasoline Fumes could be incredibly dangerous to employees and anyone else in the immediate area.
Connected garages function as conduits for cooling system and heat declines in the house, into dwelling places from the garage and fumes can leak.
The filters are generally rated on how much these people enable via so for supreme Asbestos security I choose the actual natural fumes filtration systems because getting rid of Asbestos.Natural and organic fumes filtration systems greater level of smaller than a P2 respirator, these people permit less debris via when compared to a P2 respirator.
When burned, hazardous products of combustion including fumes of carbon monoxide, carbon dioxide, and fluorine can occur.
Odors like strong cooking smells, chemical fumes, and tobacco smoke are particularly dangerous for people suffering from asthma and allergies.
Proven effective against aerosols, odors, and fumes, Friedrich air cleaners provide an affordable solution to your polluted air.
• Most chemicals that are present in these laboratories emit dangerous fumes that can destroy a number of internal organs in just a few minutes.
Air monitoring, whether in the house or the workplace, can examine the presence of dust, toxic gases, bacteria, fumes, pesticides effectively irritants and may protect your vitals of residents, employees and visitors.
Cross-sectional studies have shown that occupational exposure to vapors, gases, dusts, and fumes (VGDF) and pesticides is associated with a lower level of lung function.
The fuel fumes are risky to breathe in and you might fall ill if you inhale these fumes excessively.
(a)Persons suffering from GERD are easily affected by bronchitis (b)Irritants such as sprays fumes from ammonia, strong acids, sulfur dioxide (c)All types of smokers including passive smokers get easily infected by bronchitis (d)People with weak immune systems are also victims of bronchitis (e)Air pollution is one of the common causes for bronchitis.
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7] 2 (a) brown (1) (orange)  (b) (i) brown fumes begin to move into the top jar (1)  (ii) brown colour fumes throughout both jars OR colour is lighter (1)  (iii) evaporation OR diffusion (1)  (c) (i) CH3 – CH = CH – CH3 OR CH3 – CH2 – CH = CH2 (1) CH3 – C = CH2 (1) │ CH3 (ii) molecule contains a double bond (1) (d) (i) (pass an alkene through bromine water.