Question

P, q, r, s, t Solutions are tested by universal indicator these shows PH 4, 1,11,7and 9.and identify concentrated acid

Answer 1

$\huge{\fbox{\fbox{\bigstar{\mathfrak{\orange{Answer}}}}}}$

$\huge{\underline{\bf\green{ q}}}$

${\boxed{\bf\blue{ BRAINLY }}}$

Answer 2

${ \bold{ \huge{ \boxed{ \boxed{ \mathtt\red{ \bigstar{ANSWER}}}}}}}$

${ \bold{ \huge{\pink{ \implies{q}}}}}$

${ \bold{ \huge{ \green{ \boxed{ \boxed{ \bigstar \: REASON \bigstar}}}}}} \\ \\ { \bold{ \orange{ \mathtt{because \: \:it's \: \: PH \: \: value \: \: is \: \: lowest.}}}}$