Answer:
you can't see your back because your neck can only move in fixed direction
Answer:
b
Explanation:
I'm not so sure but it makes sense
Answer:
1) Acids have a sour taste.
Acid formulas start with "H", contain hydrogen and some react with active metals in a single replacement reaction to give off hydrogen gas.
An acid will turn blue litmus paper red
All acids are SOLUBLE in water.
Acids have a pH below 7.
2) Bases are bitter to taste a bitter taste is characteristic of all bases.
trong bases are very corrosive and can burn the skin.
Bases may or may not be soluble in water Bases that can dissolve in water are called alkalis
They can conduct electricity.
Bases lose their basicity when mixed with acids.
3) i dont know how to do it on here sorry but its self explanitory!!
4) 0-3 strongly
4-6 weakly
7 neutral
8-10 weakly
11-14 strongly
hydrochloric acid
lead acid battery
gastric acid
lemon juice
cola
vinegar
orange juice and apple juice
tomato juice
beer
tea or healthy skin
acid rain
coffee
urine
milk
healthy human saliva
pure water
blood
sea water
hand soap
household ammonia
bleach
house hold lye
Explanation:
Well....t usually stands for time and the unit seconds proves that
Work package. Hope this helps!
