Which of the following statement is not correct? (A) KOH is a stronger alkali than NaOH (B) Milk of magnesia is aqueous suspension of `Mg(OH)_(2)` (C) MgO is a refractory material used for lining electrical furnaces (D) Solubility of `KHCO_(3)`<`NaHCO_(3)`

Which of following statements is not correct for the reaction \(4 A + B - --> 2 C + 2 D\)

Which of the following statement is correct for the given compounds ? CH_(3) - CH = CH_(2) (b) CH_(3) - C -= CH

Which of the given statements is (are) correct about the following reaction ? MgO(s) + H_(2)O(l) to Mg(OH)_(2)(s) + heat

Which of the following statements are correct: (i) {phi}={0} (ii) {a,b,c}={b,a,c} (iii) {1,2,{3}}={{1},2.3}

which of the following statement is not correct? (A) All alkali-metals salts impart a characteristic colour to the Bunsen flame. (B) The correct order of increasing thermal stability of the carbonates of alkali metals is Li_(2)CO_(3) (C) Among the alkali metal's cesium is the most reactive. (D) The reducing character of the alkali metal hydrides follow the order: "LiH>NaH>KH>RbH>CsH" ."]

Which of the following statements are correct? 1. A sigma bond is stronger than a pi bond 2. A covalent bond is stronger than a hydrrogen bond 3. HF is more polar than HCl 4. There is one electrovalent bond and three covalent bonds in methylene chloride Select the correct answer using the codes given below

For the reaction 4A +B rarr 2C+2D which of the following statements is not correct:

Which of the following is not the characteristic of sulphanilic acid . (A) High melting point (B) Soluble in aqueous HCI (C ) Insoluble in H_(2)O and organic solvents (D) Insoluble in aqueous NaOH .