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