Yes, baking a cake is a chemical reaction. When you mix the ingredients together, chemical reactions occur between the various components such as flour, sugar, eggs, and leavening agents. During the baking process, these reactions continue as the heat causes the ingredients to undergo chemical changes, resulting in the formation of a new substance - the cake. The chemical reactions that take place during baking include the denaturation of proteins, caramelization of sugars, and the release of carbon dioxide from leavening agents, all of which contribute to the transformation of the raw ingredients into a delicious cake. **

No, cake glaze cannot be used as a substitute for baking powder in a cake. Cake glaze is a sweet, thin, and shiny coating that is applied to the surface of a cake after it has been baked and cooled. Baking powder, on the other hand, is a leavening agent that helps the cake rise and gives it a light and fluffy texture. Using cake glaze instead of baking powder will not provide the same leavening effect and may result in a dense and flat cake. **

The cake may collapse after baking due to a few reasons. One common reason is that the cake was underbaked, causing the structure to be weak and unable to support itself. Another reason could be that too much leavening agent was used, causing the cake to rise too quickly and then collapse. Overmixing the batter can also lead to a collapsed cake as it can incorporate too much air, causing the cake to rise rapidly and then fall. **

No, the cake should not be frozen immediately after baking. It is best to allow the cake to cool completely at room temperature before freezing it. Freezing a cake while it is still warm can cause condensation to form, which can make the cake soggy once it is thawed. It is recommended to wrap the cooled cake in plastic wrap or aluminum foil before freezing to help maintain its freshness. **

Yes, it is possible to bake a cake without baking powder. Baking powder is used to help the cake rise and become fluffy, but there are alternative methods to achieve the same result. For example, you can use baking soda and an acidic ingredient like buttermilk or yogurt to create a similar leavening effect. You can also beat the eggs well to incorporate air into the batter, which will help the cake rise. Additionally, using self-rising flour, which already contains baking powder, can also be an alternative. **

You can prepare a cake without baking powder by using alternative leavening agents such as baking soda, buttermilk, yogurt, or whipped egg whites to help the cake rise. Baking soda can be used in combination with an acidic ingredient like buttermilk or yogurt to create the necessary chemical reaction for leavening. Additionally, you can also beat the eggs thoroughly to incorporate air into the batter, which will help the cake rise. Finally, using self-rising flour, which already contains baking powder, can also be a substitute for baking powder in a cake recipe. **

You can prepare a no-bake cake by using ingredients that do not require baking, such as graham crackers, cookies, or a biscuit base for the crust. You can also make a filling using ingredients like cream cheese, whipped cream, or pudding, and layer it with the crust in a cake pan or dish. Once assembled, the cake can be chilled in the refrigerator to set and firm up before serving. This method allows you to create a delicious cake without the need for an oven. **

The baking time for a sponge cake typically ranges from 25 to 35 minutes, depending on the size of the cake and the oven temperature. It is important to check the cake regularly towards the end of the baking time to ensure it is not overcooked. The cake is done when it is golden brown on top and a toothpick inserted into the center comes out clean. **