1.In which of the following pairs would two substances react to form a salt and water only?
a.Iron & steam
b.Aqueous sodium carbonate & dilute sulphuric acid
c.Aqueous sodium chloride & aqueous silver nitrate
d.Aqueous sodium hydroxide & dilute ethanoic acid
2.Which of the following expands the most?
a.Iron
b.Water
c.Alcohol
d.Carbon dioxide
3.Which of the following drugs speed up the activities of the brain?
a.Alcohol
b.Amphetamines
c.Barbiturates
d.Nicotine
2006-09-06 21:12:35 · 5 answers · asked by Babaa B 1 in Education & Reference ➔ Standards & Testing
1. d
2. d
3. b
2006-09-06 21:28:59 · answer #1 · answered by goodwin 3 · 0⤊ 0⤋
1. Is d Na Hydroxide and Ethanoic Acid
2. Is d Carbon dioxide
3. Is b Amphetamines
What is an MCQ question?
2006-09-07 04:16:38 · answer #2 · answered by adobeprincess 6 · 0⤊ 0⤋
1) d
2) d
3) a
2006-09-07 04:15:00 · answer #3 · answered by linsay_william_harry 1 · 0⤊ 0⤋
d
d
c
2006-09-07 08:13:42 · answer #4 · answered by Forgettable 5 · 0⤊ 0⤋
D, A, B
2006-09-07 04:15:45 · answer #5 · answered by darkomega168 2 · 0⤊ 0⤋