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