A) CnH2n+2 B) CnH2n C) CnH2n-2 D) CnH2n+1
A) Zinc B) Gold C) Lead D) Tin
A) Ba2O B) Ba2O3 C) Ba(OH)2 D) BaO
A) Mg(OH)3 B) Mg(OH)4 C) Mg(OH)2 D) Mg(OH)
A) H2+O2→2H2O B) 2H2+O2→2H2O C) 2H2+2O2→2H2O D) H2+O2→H2O
A) Ca2H2O B) CaOH C) CaO+H2 D) Ca(OH)2+H2
A) Analyzing biological tissue B) Examine and identifying metals and metal based evidence C) Define toxic chemicals D) Sequencing genetic material
A) Chemical bonding B) Chemical equations C) Chemical reaction D) Chemical change
A) 2,3,2 B) 2,2,2 C) 4,3,2 D) 3,3,2
A) Ethics of genetic testing B) DNA sample collection methods C) Reliability of test kits D) General acceptance of scientific evidence in court
A) Ethene B) Propene C) Propyne D) Butene
A) Methane B) Ethanol C) Ethylene glycol D) Acetylene
A) Nucleus B) Mitochondrion only C) Ribosome D) Cytoplasm
A) AlF4 B) AlF3 C) AlF D) AlF2
A) Use "ate" suffix B) Prefix "per-" is used C) Use "hydro-" and add "-ic acid" D) Use "-ous acid" suffix only
A) Copper sulfate water complex B) Copper sulfate Penta hydrate C) Copper (ll) sulfate hydrate D) Copper (ll) sulfate Penta hydrate
A) Double replacement reaction B) Single replacement reaction C) Combination reaction D) Decomposition reaction
A) Double replacement reaction B) Decomposition reaction C) Synthesis reaction D) Single replacement reaction
A) Gel electrophoresis B) RFLP C) PCR D) Sanger sequencing
A) 2 B) 3 C) 1 D) 4
A) Colorless, odorless, and tasteless B) Contain double bonds C) Highly reactive at room temperature D) Soluble in water
A) False B) True
A) 4 B) 3 C) 1 D) 2
A) Double replacement reaction B) Single replacement reaction C) Decomposition reaction D) Combination reaction
A) Plasma scanning B) X-ray diffraction C) Metal welding D) Macro-etching
A) NaCl B) CO2 C) CuSO4 5H2O D) H2SO4
A) Binary acids B) Binary compounds containing two nonmetal C) Binary compound containing a metal variable oxidation number and non metal D) Binary compound containing a metal (fixed oxidation number) and a non metal
A) NH2 B) NH4+ C) NH D) NH3
A) X-ray imaging B) Sandpaper polishing C) Acid etching D) Melting the surface
A) Two B) Four C) One D) Three
A) 2KCIO=2KCl+3O2 B) 16Al+3S8=8 Al2S8 C) Sn+2AgNO2=Sn (NO2)2+2Ag D) Pb(NO2)2+K2CrO=pbCrO4+2KNO3
A) Lead Bromide (lll) B) Lead Bromide (ll) C) Lead (lll) Bromide D) Lead (ll) Bromide
A) HCl+Na (OH) =NaCl+H2O B) HCl+Na(OH)2=NaCl+H2O C) HcL+NaOH=NACL+HO D) HCL+NAOH=NACL+H2O
A) Combination reaction B) Single replacement reaction C) Decomposition reaction D) Double replacement reaction
A) Used in miner's lamps B) Used as a refrigerant C) Used in behaverage carbonation D) Used in perfumes
A) Product B) Reactant
A) 1,3,2 B) 2,1,2 C) 2,3,1 D) 1,2,1 |