Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Equilibrium
Which of the following statements is true for acids?
1
Bitter and changes red litmus to blue
2
Sour and changes red litmus to blue
3
Sour and changes blue litmus to red
4
More than one of the above
5
None of the above