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