ACID BASES INDICATORS

What is the name of the acid HNO₃

• Hydro nitirc acid

• Nitric acid

• Nitroxy acid

• Nitrate acid

Oxalic acid is present in which of the given substances

• Milk

• Curd

• Spinach

• Ant's sting

Which of the following is not an acid?

• Ammonia solution

• Vinegar

• Tomato

• Citrus fruits

What do acids do to red litmus paper?

• Turn it Blue

• Turn it pink

• No change

• Turn it Green

From the below options, which one is not an olfactory indicator?

• onion

• Lichen

• Clove oil

• vanilla

If a solution is acidic, and you are using the indicator methyl orange, what color would you see?

• yellow green

• reddish pink

• blue

• orange

indicators are substances that help us ..... whether the the given solution is acidic or basic

• detect

• remove

• throw

• find

we can make natural indicators from these, except

• turmeric

• hibiscus flower

• red cabbage

• water

When china rose indicator was added to lime water, what colour change will be detected?

• green

• dark pink

• reddish pink

• no colour change

A turmeric paper was fist dipped in a washing soda solution, then the same turmeric paper was dipped in HCl. What will be the final colour of the turmeric paper?

• brownish red

• no colour change

• yellow colour

• Data given not sufficient