When vinegar is mixed with sodium carbonate, carbon dioxide gas is produced., True ✔, false x, The balloon inflates because of the accumulation of the produced gas inside it., True ✔, false x, This experiment indicates that a chemical reaction has occurred., True ✔, false x, A catalyst increases the rate of a chemical reaction, True ✔, false x, Hydrogen peroxide decomposes and releases oxygen gas., True ✔, false x, Potassium permanganate has no effect on the reaction rate, True ✔, false x, Oil floats on water because it is less dense than water., True ✔, false x, Oil mixes with water to form a homogeneous solution, True ✔, false x, Effervescent tablets produce gas bubbles when they come into contact with water, True ✔, false x, The movement of bubbles in the oil resembles the movement of lava, True ✔, false x
0%
science activity
Share
Share
Share
by
Alserajalmuneer1
I-edit ang Content
I-Print kini
Embed
Uban pa
Assignments
Leaderboard
Show more
Show less
Kini nga leaderboard naka-pribado. Pag-klik sa
Share
aron himuon kini nga publiko.
Kini nga leaderboard gi-disable sa tag-iya sa resource.
Kini nga leaderboard gi-disable tungod ang imong mga kapilian lahi ra sa tag-iya sa resource.
I-revert ang mga Kapilian
Ang
Quiz
usa ka open-ended nga template. Dili kini makamugna ug mga marka sa leaderboard.
Kinahanglan mag log in
Visual style
Fonts
Subscription required
Mga Option
I-switch ang template
Ipakita tanan
Daghang mga format ang mugawas samtang gidula nimo ang activity.
Open results
Copy link
QR code
Mag-delete
I-restore ang gi-autosave:
?
