help me with the correct answers please QUESTION 2 Which of the following materi

Question

help me with the correct answers please

QUESTION 2 Which of the following materials should not be store even tempo in such a manner that they could come in contact O a. acetone and aniline O b. sodium nitrite and ammonium nitrate c c acid and stopcock grease O d. dichloromethane and hexane e. all of the above QUESTION 3 Which of the following combinations could result in a serious laboratory incident such as fire, explosion, or release of toxic gases O a. sodium and methanol O b. oxygen and rubber tubing O c. zinc powder and concentrated nitric acid O d. acetylene and copper tubing O e. All of the above.

Explanation / Answer

Q2. OPTION (D) IS CORRECT ANSWER. Because dichloromethane and Hexane are not miscible.

Q3. OPTION (A) AND (C) ARE THE CORRECT ANSWERS. Sodium react with compounds having active Hydrogen to liberate hydrogen gas which is inflammable. Zn reacts with acids exothermally and liberating hydrogen gas.

Q4. OPTION (E) IS THE CORET ANSWER.

Q5. OPTION (D) IS THE CORRECT ANSWER.

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