A) g/mol B) mol/dm3 C) mol/dm-3 D) dm3
A) The way a solute dissolves B) The variation of solubility of a substance with temperature C) How much substance is dissolved D) The variation of solubility of a substance with volume
A) But-2-ene B) But-2-yne C) Butane D) But-1-yne
A) Alkanols B) Alkynes C) Alkanes D) Alkenes
A) RCOONa B) C2H4 C) C3H5(OOCR)_3 D) C3H5(OH)_3
A) Palm oil B) Baking soda C) Distilled water D) Salt solution
A) Water soap B) Hard soap C) Transparent soap D) Toilet soap
A) Hydrophobic tails B) Hydrophilic heads C) Soap molecules D) Soap foam
A) Hydrophobic tails B) Hydrophilic heads C) Soap molecules D) Micelles
A) Ashes B) Baking soda C) Dried soaps D) Petroleum hydrocarbons
A) Shampoos B) Shaving creams C) Bathing D) Emulsifying oils
A) Dishwashing liquids B) Laundry powders C) Shaving creams D) Shampoos
A) 1/1840 unit B) 6 units C) No mass D) 4 units
A) -1 B) +2 C) It has no charge. D) +1
A) 100 B) 10 C) 10 000 D) 1
A) If B) How much C) Why D) How fast or slow
A) Iodine B) Fluorine C) Chlorine D) Tin
A) Grey crystalline solid B) Reddish brown liquid C) Greenish yellow gas D) Pale yellow gas
A) Oxides, peroxides, superoxides. B) Hydrogen gas C) Trioxonitrates D) Oxygen gas
A) Radium B) Magnesium C) Strontium D) Calcium
A) Carbon dioxide B) Hydrogen gas C) Nitrogen gas D) Oxygen gas
A) f-block B) d-block C) p-block D) s-block
A) Nickel B) Cobalt C) Rubidium D) Iron
A) They do not have electronic configuration B) 1s2 2s2 C) (n-1)d1-10ns0-2 D) (n-2)d1-10ns0-1
A) -2 B) +3 C) +2 D) +6
A) Big B) Pure C) Much D) Solid
A) Carbon B) Nitrogen C) Oxygen D) Hydrogen
A) Pale yellow B) Orange C) Red D) Pale blue
A) Hydrogen B) Water C) Nitrogen D) Carbon dioxide
A) Carbon B) Nitrogen C) Calcium D) Hydrogen
A) Oxides B) Ionic halides C) Oxygen gas D) Hydrogen gas
A) Magnesium B) Barium C) Aluminium D) Strontium
A) Radium B) Iron C) Chromium D) Argon
A) Iron B) Calcium C) Argon D) Radium
A) Calcium B) Magnesium C) Argon D) Potassium
A) Nuclei B) Radioisotopes C) Rays D) Particles
A) NaCl B) HCl C) Na2SO4 D) H2SO4
A) Chained B) Branched C) Cyclic D) Straight
A) Branched B) Linear C) Cyclic D) Chained
A) Not B) Partly C) None of the above D) Fully |