DSSSB TGT Acids, Bases and Salts — practice questions
39 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice DSSSB TGT Acids, Bases and Salts in the app →Acids turn blue litmus paper:Bases turn red litmus paper:Litmus, extracted from lichens, is an example of a:Acids characteristically taste:Which of the following is a synthetic indicator used to test acids and bases?The reaction between an acid and a base, producing salt and water, is called:On the pH scale, a neutral solution (such as pure water) has a pH of:A solution with a pH less than 7 is:A solution with a pH greater than 7 is:Acids produce which ion when dissolved in water?Bases produce which ion when dissolved in water?Baking soda, often used to relieve acidity, is chemically:A curry stain turns reddish-brown on a soap-washed cloth and yellow again on rinsing because soap is:Blue litmus paper dipped in lemon juice turns:Phenolphthalein in a sodium hydroxide solution is:Onion juice loses its smell in a:When dilute hydrochloric acid is poured on zinc granules, which gas is evolved?The gas evolved when an acid reacts with a carbonate turns lime water:Neutralisation of an acid by a base produces:CuO + 2 HCl → CuCl₂ + H₂O shows that a metallic oxide behaves like a:A solution turns red litmus blue and has pH = 11. The solution is:Which ion concentration *increases* when an acid dissolves in water?Hydrochloric acid and acetic acid of the same concentration are compared. Which is the stronger acid?Plaster of Paris is chemically:Baking soda (NaHCO₃) is used in antacid tablets mainly because it:Farmers add slaked lime, Ca(OH)₂, to soil that is too:Which of the following salts does not contain water of crystallisation?Sodium carbonate is a basic salt because it is a salt ofCalcium phosphate is present in tooth enamel. Its nature isWhich of the following gives the correct increasing order of acidic strength?One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent isTo protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly useThe pH of the gastric juices released during digestion isWhich one of the following can be used as an acid-base indicator by a visually impaired student?Which of the following substance will not give carbon dioxide on treatment with dilute acid?Which of the following is used for dissolution of gold?Which of the following is not a mineral acid?Which among the following is not a base?Which of the following are present in a dilute aqueous solution of hydrochloric acid?