Page 3 - HOME ASSIGNMENT-3 (PRACTICAL WORKSHEET)
P. 3
After observation, they arrived at the following inferences and recorded these in the
form of a table given below:
The correct observation and inferences have been recorded by student
a.A b.B c C d. D
4. When a white powder was mixed with dilute acid, odourless gas was produced which
turned lime water milky. The powder may be
a. carbonate
b. bicarbonate
c. sulphate
d. carbonate or bicarbonate.
5. The metals which react with acid and alkalies to produce hydrogen gas are
a.Na and K
b. Zn and Na
c. Al and K
d. Zn and Al.
6. A student added dilute HCl to Zn granules taken in a test tube. The correct
observation would be:
a.zinc granules turned green
b. formation of a precipitate
c. bubbles of a gas
d. no change.
SIS/PRACTICAL WORK SHEET/ELEMENT,COMPOUNDS,MIXTURE[Type text] Page 3/4
