QUESTION: How does one check a carbon monoxide alarm to make sure it's working?ANSWER: Follow the manufacturer's instructions, because procedures vary. Check the manual. If that's not available, check the manufacturer's Web site for directions or to send a query.The test button on some alarms will test the circuitry as well as the CO sensor, while the test button on other units tests just the circuitry. For those units that test only the circuitry, some manufacturers sell separate kits for testing the CO sensor inside the alarm.

QUESTION: The ice coming from our refrigerator's icemaker has developed a funny taste. What causes this, and what can be done about it?ANSWER: Odors in refrigerators and freezers tend to accumulate and show up in the ice.First, remove any spoiled foods and clean the refrigerator and freezer according to the manufacturer's instructions. Then be sure that any foods placed in the freezer and refrigerator are sealed or covered.Also, check the owner's manual. Manuals often have a troubleshooting section to help deal with problems such as poor-quality ice, and they list toll-free numbers for consumer information. Or check the manufacturer's Web site.

QUESTION: Is there a way to remove nail polish from clothing?ANSWER: It depends on the fabric. Acetone nail polish can be removed from fabrics, except those that contain acetate, Arnel, Dynel and Verel. Check the clothing label. If these fibers aren't listed, sponge the stain with nail polish remover. Not all nail polish removers are created equal. You will want to test the treatment on an inconspicuous area before general application.