QUIZ C1.2a Chemical reactions and burning fossil fuels

Select answers and click on CHECK. © Doc Brown's Chemistry Clinic

   1      4      9      carbon      conservation      different      dioxide      element      equals      fossil      hydrocarbons      hydrogen      mixture      oxygen      products      reactants      rearranged      water   
(a) carbon1nonanim.gifThe fuel coal is mainly .

(b) extra2.gifj0104574.gifOil is a of many molecules which are compounds of carbon and and are known as .

(c) oilflame.gifWhen fuels burn the carbon and hydrogen atoms combine with the in air to form and vapour.

(d) In a chemical reaction the atoms of the reactants are to give the .

(e) bal2static.gifThe number of atoms of each must be the same in the products as in the .

(f) This is known as the law of of mass, that is, the mass of reactants the mass of products.

(g) The properties of the reactants and products are .

(h) eq05.gif
methane + ==> +
Per molecule of methane, the reaction illustrated above involves atom(s) of carbon, atom(s) of hydrogen, atom(s) of oxygen and atoms all together.

best gift deals latest video game release, best gift deals best bargains in shop sales latest pop music releases, best sales deals download free music, latest film releases, best gifts for teenagers latest high street fashion in clothes, fashionable trending in clothing, best gift deals best bargains in shop salesgirls buy clothes, spend a lot of money on clothes, best sales deals shoes, sweets and chocolates, magazines and make-up best gifts for teenagers Boys buy food and drink, computer games best gift deals best bargains in shop sales DVDs and CDs, girls and boys spend a lot of money on credit for mobile phones best sales deals best bargains in shop sales buses and trains to transport them going out best gifts for teenagers best bargains in shop sales Girls spend a lot of money on clothes best gift deals color colour preferences in clothes, cool sunglasses best sales deals boys buy expensive thins like best gifts for teenagers designer sports clothes and trainers, teenagers save for holidays, best sales deals clothes, mobile phones, birthday presents and electronic goods, teenage accessories, Favourite style of jeans. best gifts for teenagers A typical girl’s shopping list includes mobile phone credit deals best gift deals fashionable quality cool airpods, air pods, fashionable clothes best sales deals the most popular favourite sneakers best gifts for teenagers fancy shoes, sweets, chocolates, magazines, best gift deals best bargains in shop sales lip moisturizer best bargains in shop sale slots on make-up, well being, teenage decor decorating their room best sales deals teenagers like LED string lantern lights, best gifts for teenagers beauty products for teenagers, denim jackets, scrunchies coolness, fashionable back packs, typical boy’s shopping list includes mobile credit deals, eating out takeaway food and drinks, what teenagers like to buy in clothes best gifts for teenagers computer games, DVDs, CDs, what teenagers talk about best gift deals what teenagers worry about, what teenagers like to do for fun sports best sales deals what cool things do teenagers buy, resale websites like eBay Teenager