Sr. # | Questions | Answers Choice |
---|---|---|
1 | What is the name of the pigment that gives tomatoes heir red colour? |
Cyclohexene<br> Lycopene<br> Diethyl Malonate<br> Pheophytin <br> |
2 | What is the pigment in the skin of oranges that gives it the orange colour ? |
Carotene<br> Alanine <br> Heophytin<br> None of these<br> |
3 | The metal oxide is often added to paint to make it bright white |
Titanium dioxide <br> Iron oxide <br> Calcium oxide <br> Tin oxide<br> |
4 | What is the name of the pigment that gives the green colour to plants? |
Carotene <br> Chlorophyll <br> Phenolphthalein <br> Xanthophylls <br> |
5 | ''Antifreeze'' is used in car radiator to stop the liquid that cools the engine form, well, freezing when it gets cold outside. Water is none component of antifreeze,,what is the other main component? |
Sodium chloride <br> Ethylene glycol <br> Acetone <br> Benzene<br> |
6 | Aspirin can be found in many household medicine cabinets, But what is it chemically |
Ibuprofen<br> Paracetamol<br> Acetylsaliculic acid <br> Acetaminophen<br> |
7 | Another common adhesive used around the home is wood working gule. What is the major component of the adhesive? |
Poly (vinyl acetate)<br> Cellulose <br> Neutral rubber<br> Polyamide<br> |
8 | The hu8mble pencil is something found in just about every household , often called ''lead pencils'', the substance in the middle of the pencil that does the writing actually isn't leas at all; what is it? |
Of course it's lead!<br> Graphite <br> Ink<br> Black chalk <br> |
9 | If you've been in the unfortunate situation of having to use a fire extinguisher to fight a fire, you've probably noticed the there are lots of different types, One of these types is the ''dry ice'' extinguisher, What is dry ice |
Water ice <br> Solid carbon dioxide <br> Frozen ethanol <br> Liquid nitrogen<br> |
10 | Nail polish remover is something that us girls just can't so without. Which of the following has been used as the active ingredient in nail polish remover? |
Methanol <br> Ethanol <br> Acetone <br> Limonene<br> |