Class X

Which one of the following will turn blue litmus red?
  1. vinegar
  2. lime water
  3. baking soda solution
  4. Washing soda solution
Which of the following substance is antacid?
  1. NaCl
  2. Mg(OH)2
  3. HCl
  4. H2SO4
The difference of molecules of water in gypsum and PoP is
  1. 5/2
  2. 2b
  3. 3/2
  4. ½
Corrosive effect on skin is caused by
  1. acids
  2. bases
  3. water
  4. mercury
HCl reacts with NaOH to form salt and water, this reaction is called
  1. ) Precipitation reaction
  2. Neutralization
  3. Redox reaction
  4. Combination reaction
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP